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Trojan.DownLoader34.55669
Added to the Dr.Web virus database:
2020-09-27
Virus description added:
2020-09-29
Technical Information
To ensure autorun and distribution
Creates or modifies the following files
<SYSTEM32>\tasks\ibm-scmd-affinity
Modifies file system
Creates the following files
<SYSTEM32>\affinityscmdtimeformat.txt
<SYSTEM32>\<File name>.vbs.control
<SYSTEM32>\ibm-scmd-affinity_harswlfsvpg.xml
<SYSTEM32>\<File name>.vbs.running
<SYSTEM32>\manual_affinity_harswlfsvpg.scmd
Deletes the following files
<SYSTEM32>\affinityscmdtimeformat.txt
<SYSTEM32>\ibm-scmd-affinity_harswlfsvpg.xml
<SYSTEM32>\<File name>.vbs.running
Network activity
TCP
HTTP GET requests
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
UDP
Miscellaneous
Creates and executes the following
'<SYSTEM32>\cmd.exe' /C schtasks /create /? > .\AffinitySCMDTIMEFORMAT.TXT' (with hidden window)
'<SYSTEM32>\cmd.exe' /C ECHO 2020-09-28T02:48:30Z >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD' (with hidden window)
'<SYSTEM32>\cmd.exe' /C ECHO harswlfsvpg >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD' (with hidden window)
'<SYSTEM32>\cmd.exe' /C ECHO Affinity Script ver 5.6.1 >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD' (with hidden window)
'<SYSTEM32>\cmd.exe' /C VER >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO Running AFF 6.1 OSXPorBetter 6.1 9/27/2020 7:48:35 PM >> <SYSTEM32>\<File name>.vbs.running' (with hidden window)
'<SYSTEM32>\cmd.exe' /C IF EXIST <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml DEL <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml' (with hidden window)
'<SYSTEM32>\cmd.exe' /C netstat -anovb >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO N|schtasks /create /XML <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml /TN IBM-SCMD-Affinity' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO RunDays = 35 >> <SYSTEM32>\<File name>.vbs.control' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO EndDate = 2020/11/01>> <SYSTEM32>\<File name>.vbs.control' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO RunEveryMinutes = 16 >> <SYSTEM32>\<File name>.vbs.control' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO SCMDMaXSizeOutFile = 100 >> <SYSTEM32>\<File name>.vbs.control' (with hidden window)
'<SYSTEM32>\cmd.exe' /C @ECHO SCMDOutPath = <SYSTEM32>\ >> <SYSTEM32>\<File name>.vbs.control' (with hidden window)
'<SYSTEM32>\cmd.exe' /C DEL .\AffinitySCMDTIMEFORMAT.TXT' (with hidden window)
'<SYSTEM32>\cmd.exe' /C IF EXIST <SYSTEM32>\tcpvcon.exe DEL <SYSTEM32>\tcpvcon.exe' (with hidden window)
'<SYSTEM32>\cmd.exe' /C DEL <SYSTEM32>\<File name>.vbs.running' (with hidden window)
Executes the following
'<SYSTEM32>\cscript.exe' //nologo "<PATH_SAMPLE>.vbs"
'<SYSTEM32>\cmd.exe' /C netstat -anovb >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD
'<SYSTEM32>\cmd.exe' /C ECHO 2020-09-28T02:48:30Z >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD
'<SYSTEM32>\cmd.exe' /C ECHO harswlfsvpg >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD
'<SYSTEM32>\cmd.exe' /C ECHO Affinity Script ver 5.6.1 >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD
'<SYSTEM32>\cmd.exe' /C VER >> <SYSTEM32>\Manual_Affinity_harswlfsvpg.SCMD
'<SYSTEM32>\cmd.exe' /C @ECHO Running AFF 6.1 OSXPorBetter 6.1 9/27/2020 7:48:35 PM >> <SYSTEM32>\<File name>.vbs.running
'<SYSTEM32>\cmd.exe' /C IF EXIST <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml DEL <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml
'<SYSTEM32>\schtasks.exe' /create /XML <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml /TN IBM-SCMD-Affinity
'<SYSTEM32>\cmd.exe' /S /D /c" ECHO N"
'<SYSTEM32>\cmd.exe' /C @ECHO N|schtasks /create /XML <SYSTEM32>\IBM-SCMD-Affinity_harswlfsvpg.xml /TN IBM-SCMD-Affinity
'<SYSTEM32>\cmd.exe' /C IF EXIST <SYSTEM32>\tcpvcon.exe DEL <SYSTEM32>\tcpvcon.exe
'<SYSTEM32>\cmd.exe' /C @ECHO RunDays = 35 >> <SYSTEM32>\<File name>.vbs.control
'<SYSTEM32>\cmd.exe' /C @ECHO EndDate = 2020/11/01>> <SYSTEM32>\<File name>.vbs.control
'<SYSTEM32>\cmd.exe' /C @ECHO RunEveryMinutes = 16 >> <SYSTEM32>\<File name>.vbs.control
'<SYSTEM32>\cmd.exe' /C @ECHO SCMDMaXSizeOutFile = 100 >> <SYSTEM32>\<File name>.vbs.control
'<SYSTEM32>\cmd.exe' /C @ECHO SCMDOutPath = <SYSTEM32>\ >> <SYSTEM32>\<File name>.vbs.control
'<SYSTEM32>\cmd.exe' /C DEL .\AffinitySCMDTIMEFORMAT.TXT
'<SYSTEM32>\schtasks.exe' /create /?
'<SYSTEM32>\cmd.exe' /C schtasks /create /? > .\AffinitySCMDTIMEFORMAT.TXT
'<SYSTEM32>\netstat.exe' -anovb
'<SYSTEM32>\cmd.exe' /C DEL <SYSTEM32>\<File name>.vbs.running
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
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