JavaScript support is required for our site to be fully operational in your browser.
Trojan.Tofsee.61
Added to the Dr.Web virus database:
2024-11-16
Virus description added:
2024-11-18
Technical Information
To ensure autorun and distribution
Sets the following service settings
[HKLM\System\CurrentControlSet\Services\eplobqex] 'Start' = '00000002'
[HKLM\System\CurrentControlSet\Services\eplobqex] 'ImagePath' = '%WINDIR%\SysWOW64\eplobqex\vktgszlo.exe /d"<Full path to file>"'
[HKLM\SYSTEM\CurrentControlSet\services\eplobqex] 'ImagePath' = '%WINDIR%\SysWOW64\eplobqex\vktgszlo.exe'
Creates the following services
'eplobqex' %WINDIR%\SysWOW64\eplobqex\vktgszlo.exe /d"<Full path to file>"
'eplobqex' %WINDIR%\SysWOW64\eplobqex\vktgszlo.exe
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion with following registry keys:
[HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\SysWOW64\eplobqex' = '00000000'
Executes the following
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul
Injects code into
the following system processes:
%WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
%TEMP%\vktgszlo.exe
%WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
from %TEMP%\vktgszlo.exe to %WINDIR%\syswow64\eplobqex\vktgszlo.exe
Deletes itself.
Network activity
Connects to
'va##heim.cn':443
'we###diassp.com':443
'62.#6.20.30':25
'i.###tagram.com':443
'lo###.gmx.net':443
't.#e':443
'47.#3.18.12':993
'lo###.live.com':443
'ou####k.live.com':443
'ou####k.live.com':80
'google.com':80
'18#.#.214.51':423
'18#.#.214.50':423
'18#.#47.125.147':423
'19#.143.1.5':423
'18#.#47.125.146':423
'45.##3.201.238':423
'18#.#47.125.145':423
'18#.#.214.57':487
'mi##########m.mail.protection.outlook.com':25
'm.###tube.com':443
'12#.#26.45.161':587
TCP
HTTP GET requests
http://www.google.com/
http://ou####k.live.com/owa/?nl###
Other
'va##heim.cn':443
'18#.#.214.57':487
'18#.#47.125.145':423
'18#.#47.125.146':423
'19#.143.1.5':423
'18#.#47.125.147':423
'18#.#.214.50':423
'18#.#.214.51':423
'45.##3.201.238':423
'ou####k.live.com':443
'lo###.live.com':443
'47.#3.18.12':993
't.#e':443
'62.#6.20.30':25
'we###diassp.com':443
'm.###tube.com':443
UDP
DNS ASK va##heim.cn
DNS ASK i.###tagram.com
DNS ASK lo###.gmx.net
DNS ASK 13#.###.#00.176.in-addr.arpa
DNS ASK t.#e
DNS ASK lo###.live.com
DNS ASK 13#.###.#00.176.cbl.abuseat.org
DNS ASK we###diassp.com
DNS ASK 13#.###.###.176.sbl-xbl.spamhaus.org
DNS ASK ou####k.live.com
DNS ASK google.com
DNS ASK 13#.###.#00.176.bl.spamcop.net
DNS ASK 13#.###.#00.176.dnsbl.sorbs.net
DNS ASK 10#.###.173.46.in-addr.arpa
DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK 13#.###.##0.176.zen.spamhaus.org
DNS ASK m.###tube.com
Miscellaneous
Creates and executes the following
'%WINDIR%\syswow64\eplobqex\vktgszlo.exe' /d"<Full path to file>"
Executes the following
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\eplobqex\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\vktgszlo.exe" %WINDIR%\SysWOW64\eplobqex\
'%WINDIR%\syswow64\sc.exe' create eplobqex binPath= "%WINDIR%\SysWOW64\eplobqex\vktgszlo.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description eplobqex "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start eplobqex
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\eplobqex\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\vktgszlo.exe" %WINDIR%\SysWOW64\eplobqex\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create eplobqex binPath= "%WINDIR%\SysWOW64\eplobqex\vktgszlo.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description eplobqex "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start eplobqex' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)
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
このウェブサイトを継続して訪問する場合、訪問者に関する統計データを収集するためのCookieファイルおよび他のテクノロジーを弊社が利用することに同意したものとします。詳細
OK