Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce] '0.EXE' = '%TEMP%\Adobe\0.EXE'
Creates or modifies the following files
- <SYSTEM32>\tasks\steam
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
adds antivirus exclusion:
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Steam.exe'
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\000814251_video_01.avi
- %HOMEPATH%\desktop\ovp25012015.doc
- %HOMEPATH%\desktop\join.avi
- %HOMEPATH%\desktop\iisstart.html
- %HOMEPATH%\desktop\hanni_umami_chapter.doc
- %HOMEPATH%\desktop\file_p_00000000_1371597592.docx
- %HOMEPATH%\desktop\february_catalogue__2015.doc
- %HOMEPATH%\desktop\delete.avi
- %HOMEPATH%\desktop\dashborder_96.bmp
- %HOMEPATH%\desktop\dashborder_192.bmp
- %HOMEPATH%\desktop\contosoroot_1.cer
- %HOMEPATH%\desktop\contosoroot.cer
- %HOMEPATH%\desktop\browse.html
- %HOMEPATH%\desktop\applicantform_en.doc
- %HOMEPATH%\desktop\advice_process.htm
- %HOMEPATH%\desktop\adhd_and_obesity.docx
- %HOMEPATH%\desktop\adadsi.html
- %HOMEPATH%\desktop\about.htm
- %HOMEPATH%\desktop\sdkfailsafeemulator.cer
- %HOMEPATH%\desktop\trivial-merge.htm
Searches for windows to
detect analytical utilities:
- ClassName: 'Regmonclass', WindowName: ''
- ClassName: 'Filemonclass', WindowName: ''
Modifies file system
Creates the following files
- %TEMP%\payload.exe
- %ALLUSERSPROFILE%\package cache\{f1b0fb3a-e0ea-47a6-9383-3650655403b0}v14.16.27024\packages\vcruntimeminimum_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{f1b0fb3a-e0ea-47a6-9383-3650655403b0}v14.16.27024\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{f1b0fb3a-e0ea-47a6-9383-3650655403b0}v14.16.27024\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{f65db027-aff3-4070-886a-0d87064aabb1}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{f8cfeb22-a2e7-3971-9eda-4b11edefc185}v12.0.21005\packages\vcruntimeadditional_x86\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{f8cfeb22-a2e7-3971-9eda-4b11edefc185}v12.0.21005\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{f8cfeb22-a2e7-3971-9eda-4b11edefc185}v12.0.21005\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\readme_0116724.txt
- C:\users\default\favorites\readme_0116724.txt
- %ALLUSERSPROFILE%\sun\java\java update\readme_0116724.txt
- %ALLUSERSPROFILE%\sun\java\readme_0116724.txt
- %ALLUSERSPROFILE%\sun\readme_0116724.txt
- C:\users\default\appdata\readme_0116724.txt
- C:\users\default\desktop\readme_0116724.txt
- C:\users\default\documents\readme_0116724.txt
- C:\users\default\downloads\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{ec9807de-b577-47b1-a024-0251805acf24}v14.29.30133\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{fd9b6070-d13e-45dc-819b-41806bf45b6b}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{ec9807de-b577-47b1-a024-0251805acf24}v14.29.30133\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{bd95a8cd-1d9f-35ad-981a-3e7925026ebb}v11.0.61030\packages\vcruntimeminimum_x86\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{9d29fc96-9eee-4253-943f-96b3bbfdd0b6}v14.16.27024\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{a749d8e6-b613-3be3-8f5f-045c84eba29b}v12.0.21005\packages\vcruntimeminimum_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{a749d8e6-b613-3be3-8f5f-045c84eba29b}v12.0.21005\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{a749d8e6-b613-3be3-8f5f-045c84eba29b}v12.0.21005\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{b175520c-86a2-35a7-8619-86dc379688b9}v11.0.61030\packages\vcruntimeadditional_x86\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{b175520c-86a2-35a7-8619-86dc379688b9}v11.0.61030\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{b175520c-86a2-35a7-8619-86dc379688b9}v11.0.61030\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{bd95a8cd-1d9f-35ad-981a-3e7925026ebb}v11.0.61030\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{e699e009-1c3c-4e50-9b57-2b39f0954c7f}v14.29.30133\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{bd95a8cd-1d9f-35ad-981a-3e7925026ebb}v11.0.61030\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{cf2bea3c-26ea-32f8-aa9b-331f7e34ba97}v11.0.61030\packages\vcruntimeminimum_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{cf2bea3c-26ea-32f8-aa9b-331f7e34ba97}v11.0.61030\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{cf2bea3c-26ea-32f8-aa9b-331f7e34ba97}v11.0.61030\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{e699e009-1c3c-4e50-9b57-2b39f0954c7f}v14.29.30133\packages\vcruntimeadditional_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{e699e009-1c3c-4e50-9b57-2b39f0954c7f}v14.29.30133\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{ec9807de-b577-47b1-a024-0251805acf24}v14.29.30133\packages\vcruntimeminimum_x86\readme_0116724.txt
- C:\users\public\music\sample music\readme_0116724.txt
- %WINDIR%\readme_0116724.txt
- C:\users\default\pictures\readme_0116724.txt
- %HOMEPATH%\documents\readme_0116724.txt
- %HOMEPATH%\downloads\readme_0116724.txt
- %HOMEPATH%\favorites\links\readme_0116724.txt
- %HOMEPATH%\favorites\links for united states\readme_0116724.txt
- %HOMEPATH%\favorites\microsoft websites\readme_0116724.txt
- %HOMEPATH%\favorites\msn websites\readme_0116724.txt
- %HOMEPATH%\favorites\windows live\readme_0116724.txt
- %HOMEPATH%\links\readme_0116724.txt
- C:\users\default\music\readme_0116724.txt
- %HOMEPATH%\music\readme_0116724.txt
- %HOMEPATH%\pictures\readme_0116724.txt
- %HOMEPATH%\saved games\readme_0116724.txt
- %HOMEPATH%\searches\readme_0116724.txt
- %HOMEPATH%\videos\readme_0116724.txt
- %HOMEPATH%\readme_0116724.txt
- C:\users\readme_0116724.txt
- %HOMEPATH%\desktop\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{9d29fc96-9eee-4253-943f-96b3bbfdd0b6}v14.16.27024\packages\readme_0116724.txt
- %HOMEPATH%\contacts\readme_0116724.txt
- C:\users\public\libraries\readme_0116724.txt
- C:\users\default\saved games\readme_0116724.txt
- C:\users\default\videos\readme_0116724.txt
- C:\users\default\readme_0116724.txt
- C:\users\public\desktop\readme_0116724.txt
- C:\users\public\documents\readme_0116724.txt
- C:\users\public\downloads\readme_0116724.txt
- C:\users\public\favorites\readme_0116724.txt
- C:\users\default\links\readme_0116724.txt
- C:\users\public\readme_0116724.txt
- C:\users\public\music\readme_0116724.txt
- C:\users\public\pictures\sample pictures\readme_0116724.txt
- C:\users\public\pictures\readme_0116724.txt
- C:\users\public\recorded tv\sample media\readme_0116724.txt
- C:\users\public\recorded tv\readme_0116724.txt
- C:\users\public\videos\sample videos\readme_0116724.txt
- C:\users\public\videos\readme_0116724.txt
- %HOMEPATH%\appdata\readme_0116724.txt
- %HOMEPATH%\favorites\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{9d29fc96-9eee-4253-943f-96b3bbfdd0b6}v14.16.27024\packages\vcruntimeadditional_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{37b8f9c7-03fb-3253-8781-2517c99d7c00}v11.0.61030\readme_0116724.txt
- C:\msocache\all users\{90140000-0043-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-00a1-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-00ba-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\1033\readme_0116724.txt
- C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\access.en-us\readme_0116724.txt
- C:\msocache\all users\readme_0116724.txt
- C:\recovery\fc7d0508-3f8d-11ed-bf82-c9aa0b5639b5\readme_0116724.txt
- C:\msocache\readme_0116724.txt
- <Current directory>\readme_0116724.txt
- C:\perflogs\admin\readme_0116724.txt
- C:\perflogs\readme_0116724.txt
- %ProgramFiles%\readme_0116724.txt
- %ProgramFiles(x86)%\readme_0116724.txt
- %ALLUSERSPROFILE%\readme_0116724.txt
- C:\msocache\all users\{90140000-002c-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-002c-0409-1000-0000000ff1ce}-c\proof.fr\readme_0116724.txt
- %TEMP%\0116724_dat.log
- %TEMP%\sosis_protected.exe
- %APPDATA%\.exe
- %TEMP%\0.exe
- C:\steam.exe
- %TEMP%\tmpa0e0.tmp.bat
- nul
- %TEMP%\adobe\0.exe
- C:\$recycle.bin\readme_0116724.txt
- C:\msocache\all users\{90140000-002c-0409-1000-0000000ff1ce}-c\proof.en\readme_0116724.txt
- C:\kms\readme_0116724.txt
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\readme_0116724.txt
- C:\msocache\all users\{90140000-002c-0409-1000-0000000ff1ce}-c\proof.es\readme_0116724.txt
- %ALLUSERSPROFILE%\mozilla\updates\e7cf176e110c211b\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{929fbd26-9020-399b-9a7a-751d61f0b942}v12.0.21005\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\adobe\arm\{291aa914-a987-4ce9-bd63-ac0a92d435e5}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{13a4ee12-23ea-3371-91ee-efb36ddfff3e}v12.0.21005\packages\vcruntimeminimum_x86\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{13a4ee12-23ea-3371-91ee-efb36ddfff3e}v12.0.21005\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{13a4ee12-23ea-3371-91ee-efb36ddfff3e}v12.0.21005\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{295d1583-fdb9-414b-a4c8-da539362a26b}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{37b8f9c7-03fb-3253-8781-2517c99d7c00}v11.0.61030\packages\vcruntimeadditional_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{37b8f9c7-03fb-3253-8781-2517c99d7c00}v11.0.61030\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{38b2c744-ad08-4d5b-91a2-3fb6f739ff3e}\readme_0116724.txt
- %ALLUSERSPROFILE%\adobe\arm\s\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{42667d2e-b054-46c1-9d46-2ee1332c14c1}v14.29.30133\packages\vcruntimeadditional_x86\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{42667d2e-b054-46c1-9d46-2ee1332c14c1}v14.29.30133\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{42667d2e-b054-46c1-9d46-2ee1332c14c1}v14.29.30133\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{6cd9e9ed-906d-4196-8dc3-f987d2f6615f}v14.29.30133\packages\vcruntimeminimum_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{6cd9e9ed-906d-4196-8dc3-f987d2f6615f}v14.29.30133\packages\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{6cd9e9ed-906d-4196-8dc3-f987d2f6615f}v14.29.30133\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{929fbd26-9020-399b-9a7a-751d61f0b942}v12.0.21005\packages\vcruntimeadditional_amd64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\{929fbd26-9020-399b-9a7a-751d61f0b942}v12.0.21005\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\42d5bec7ddfbd49e76467529cbc2868987bf8460\readme_0116724.txt
- %ALLUSERSPROFILE%\mozilla\updates\d78bf5dd33499ec2\readme_0116724.txt
- %ALLUSERSPROFILE%\adobe\arm\readme_0116724.txt
- %ALLUSERSPROFILE%\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\readme_0116724.txt
- %ALLUSERSPROFILE%\adobe\setup\readme_0116724.txt
- %ALLUSERSPROFILE%\adobe\readme_0116724.txt
- %ALLUSERSPROFILE%\microsoft\readme_0116724.txt
- %ALLUSERSPROFILE%\microsoft help\readme_0116724.txt
- %ALLUSERSPROFILE%\mozilla\updates\308046b0af4a39cb\readme_0116724.txt
- C:\recovery\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\42d5bec7ddfbd49e76467529cbc2868987bf8460\packages\patch\readme_0116724.txt
- %ALLUSERSPROFILE%\mozilla\updates\readme_0116724.txt
- %ALLUSERSPROFILE%\mozilla\readme_0116724.txt
- %ALLUSERSPROFILE%\oracle\java\installcache_x64\readme_0116724.txt
- %ALLUSERSPROFILE%\oracle\java\javapath\readme_0116724.txt
- %ALLUSERSPROFILE%\oracle\java\readme_0116724.txt
- %ALLUSERSPROFILE%\oracle\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\42d5bec7ddfbd49e76467529cbc2868987bf8460\packages\patch\x64\readme_0116724.txt
- %ALLUSERSPROFILE%\package cache\42d5bec7ddfbd49e76467529cbc2868987bf8460\packages\readme_0116724.txt
- D:\$recycle.bin\readme_0116724.txt
Sets the 'hidden' attribute to the following files
- C:\steam.exe
Deletes the following files
- %WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe
Modifies the following files
- C:\kms\kms_vl_all_aio.cmd
- C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\setup.xml
- C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\setup.xml
- C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\outlookmui.xml
- C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\outlookmui.msi
- C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\outlklr.cab
- C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\setup.xml
- C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\publr.cab
- C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\publishermui.xml
- C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\publishermui.msi
- C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\setup.xml
- C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\pptlr.cab
- C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\powerpointmui.xml
- C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\powerpointmui.msi
- C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\setup.xml
- C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\excelmui.xml
- C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\excelmui.msi
- C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\excellr.cab
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\setup.xml
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\propsww2.cab
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\propsww.cab
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\proplusww.xml
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\proplusww.msi
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\pkeyconfig-office.xrm-ms
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\owow32ww.cab
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\office32ww.xml
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\office32ww.msi
- C:\kms\kms_vl_all_aio_debug.log
- C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\wordlr.cab
- C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\wordmui.msi
Modifies multiple files.
Moves itself
- from <Full path to file> to <Current directory>\zwtmd21ulmv4zq==
Modifies user data files (Trojan.Encoder).
Miscellaneous
Searches for the following windows
- ClassName: '4823-00000029' WindowName: ''
- ClassName: '18467-41' WindowName: ''
Creates and executes the following
- '%TEMP%\payload.exe'
- '%TEMP%\sosis_protected.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '' -Value '"%APPDATA...
- '%TEMP%\0.exe'
- 'C:\steam.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Steam.exe'' (with hidden window)
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Steam.exe'' (with hidden window)
- '%TEMP%\0.exe' ' (with hidden window)
- 'C:\steam.exe' ' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /C schtasks /create /tn \ /tr "%APPDATA%\.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
- '%WINDIR%\syswow64\schtasks.exe' /create /tn \ /tr "%APPDATA%\.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
- '%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Steam.exe'
- '<SYSTEM32>\taskeng.exe' {C9E2E97E-4239-4F45-A6FF-B1D93C2908A0} S-1-5-21-1238866942-1249195528-555854008-1000:iaxvgprnvmg\user:Interactive:[1]
- '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\tmpA0E0.tmp.bat""
- '%WINDIR%\syswow64\timeout.exe' 3