Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] '' = '%HOMEPATH%\Local Settings\Microsoft\dllhost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] '' = '"%HOMEPATH%\Local Settings\Microsoft\Windows Live\Explorer.exe" /RunOnce'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = '%HOMEPATH%\Local Settings\Hewlett-Packard\SynTPE.exe'
Malicious functions:
Creates and executes the following:
- %TEMP%\vcd.exe /SRT|%TEMP%\taskmgr.exe
- %TEMP%\taskmgr.exe /SRT|%TEMP%\AERTSr32.exe
- %TEMP%\taskhostex.exe /SRT|%TEMP%\vcd.exe
- %TEMP%\YCMMirage.exe /SRT|%TEMP%\services.exe
- %TEMP%\services.exe /SRT|%TEMP%\taskhostex.exe
- %TEMP%\taskhostex.exe /SRT|%TEMP%\winlogon.exe
- %TEMP%\winlogon.exe /SRT|%TEMP%\igfxpers.exe
- %TEMP%\dwm.exe /SRT|%TEMP%\taskhostex.exe
- %TEMP%\AERTSr32.exe /SRT|%TEMP%\winlogon.exe
- %TEMP%\winlogon.exe /SRT|%TEMP%\dwm.exe
- %TEMP%\lmpc.exe /SRT|%TEMP%\YCMMirage.exe
- %TEMP%\YCMMirage.exe /SRT|%TEMP%\WmiPrvSE.exe
- %TEMP%\YCMMirage.exe /SRT|%TEMP%\lmpc.exe
- %TEMP%\winlogon.exe /SRT|%TEMP%\YCMMirage.exe
- %TEMP%\YCMMirage.exe /SRT|%TEMP%\YCMMirage.exe
- %TEMP%\mspaint.exe /SRT|%TEMP%\igfxpers.exe
- %TEMP%\igfxpers.exe /SRT|%TEMP%\YCMMirage.exe
- %TEMP%\avtr.exe /SRT|%TEMP%\mspaint.exe
- %TEMP%\lmpc.exe /SRT|%TEMP%\services.exe
- %TEMP%\services.exe /SRT|%TEMP%\avtr.exe
- %TEMP%\mspaint.exe /SRT|%TEMP%\HelpPane.exe
- %TEMP%\HelpPane.exe /SRT|%TEMP%\Magnify.exe
- %TEMP%\igfxpers.exe /SRT|%TEMP%\mspaint.exe
- %TEMP%\avtr.exe /SRT|%TEMP%\explorer.exe
- %TEMP%\explorer.exe /SRT|%TEMP%\igfxpers.exe
- %TEMP%\WmiPrvSE.exe /SRT|%TEMP%\lmpc.exe
- %TEMP%\lmpc.exe /SRT|<Full path to virus>
- %TEMP%\wininit.exe /SRT|%TEMP%\WmiPrvSE.exe
- %TEMP%\Magnify.exe /SRT|%TEMP%\mrsa.exe
- %TEMP%\mrsa.exe /SRT|%TEMP%\wininit.exe
- %TEMP%\WmiPrvSE.exe /SRT|%TEMP%\services.exe
- %TEMP%\services.exe /SRT|%TEMP%\dwm.exe
- %TEMP%\taskhostex.exe /SRT|%TEMP%\WmiPrvSE.exe
- %TEMP%\igfxpers.exe /SRT|%TEMP%\taskmgr.exe
- %TEMP%\taskmgr.exe /SRT|%TEMP%\taskhostex.exe
- %TEMP%\wininit.exe /SRT|%TEMP%\winlogon.exe
- %TEMP%\winlogon.exe /SRT|%TEMP%\avtr.exe
- %TEMP%\explorer.exe /SRT|%TEMP%\wininit.exe
- %TEMP%\dwm.exe /SRT|%TEMP%\wininit.exe
- %TEMP%\wininit.exe /SRT|%TEMP%\explorer.exe
Executes the following:
- <SYSTEM32>\schtasks.exe /delete /f /tn "WindowsExplore"
- <SYSTEM32>\schtasks.exe /create /tn "WindowsExplore" /tr "'%HOMEPATH%\Local Settings\Microsoft\Windows\Explorer\iexplore.exe'" /sc ONLOGON /ru "CRNJEUFU\%USERNAME%"
- <SYSTEM32>\schtasks.exe /delete /f /tn "WinManager"
- <SYSTEM32>\schtasks.exe /create /tn "WinManager" /tr "'%HOMEPATH%\Local Settings\Microsoft\Windows\Manager.exe'" /sc ONLOGON /ru "CRNJEUFU\%USERNAME%"
Modifies file system :
Creates the following files:
- %TEMP%\dwm.exe
- %TEMP%\services.exe
- %TEMP%\avtr.exe
- %TEMP%\winlogon.exe
- %TEMP%\taskhostex.exe
- %TEMP%\vcd.exe
- %TEMP%\YCMMirage.exe
- %TEMP%\taskmgr.exe
- %TEMP%\AERTSr32.exe
- %TEMP%\wininit.exe
- %TEMP%\mrsa.exe
- %TEMP%\lmpc.exe
- %TEMP%\WmiPrvSE.exe
- %TEMP%\Magnify.exe
- %TEMP%\igfxpers.exe
- %TEMP%\explorer.exe
- %TEMP%\HelpPane.exe
- %TEMP%\mspaint.exe