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Trojan.KillFiles.64950
Aggiunto al database dei virus Dr.Web:
2020-04-08
La descrizione è stata aggiunta:
2020-04-10
Technical Information
To ensure autorun and distribution
Creates or modifies the following files
%WINDIR%\tasks\at1.job
<SYSTEM32>\tasks\at15
%WINDIR%\tasks\at16.job
<SYSTEM32>\tasks\at16
%WINDIR%\tasks\at17.job
<SYSTEM32>\tasks\at17
%WINDIR%\tasks\at18.job
<SYSTEM32>\tasks\at18
%WINDIR%\tasks\at19.job
<SYSTEM32>\tasks\at19
<SYSTEM32>\tasks\at14
%WINDIR%\tasks\at15.job
%WINDIR%\tasks\at20.job
<SYSTEM32>\tasks\at21
%WINDIR%\tasks\at22.job
<SYSTEM32>\tasks\at22
%WINDIR%\tasks\at23.job
<SYSTEM32>\tasks\at23
%WINDIR%\tasks\at24.job
<SYSTEM32>\tasks\at24
%WINDIR%\tasks\at25.job
<SYSTEM32>\tasks\at25
<SYSTEM32>\tasks\at20
%WINDIR%\tasks\at21.job
%WINDIR%\tasks\at14.job
<SYSTEM32>\tasks\at13
%WINDIR%\tasks\at13.job
%WINDIR%\tasks\at2.job
<SYSTEM32>\tasks\at2
%WINDIR%\tasks\at3.job
<SYSTEM32>\tasks\at3
%WINDIR%\tasks\at4.job
<SYSTEM32>\tasks\at4
%WINDIR%\tasks\at5.job
<SYSTEM32>\tasks\at5
%WINDIR%\tasks\at6.job
<SYSTEM32>\tasks\at6
<SYSTEM32>\tasks\at1
%WINDIR%\tasks\at7.job
%WINDIR%\tasks\at8.job
<SYSTEM32>\tasks\at8
%WINDIR%\tasks\at9.job
<SYSTEM32>\tasks\at9
%WINDIR%\tasks\at10.job
<SYSTEM32>\tasks\at10
%WINDIR%\tasks\at11.job
<SYSTEM32>\tasks\at11
%WINDIR%\tasks\at12.job
<SYSTEM32>\tasks\at12
<SYSTEM32>\tasks\at7
%WINDIR%\tasks\at26.job
<SYSTEM32>\tasks\at26
Malicious functions
Executes the following
'%WINDIR%\syswow64\net.exe' stop windefend
'%WINDIR%\syswow64\at.exe' 23:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 22:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 21:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 20:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 19:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 18:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 17:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 16:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 15:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 14:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 13:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 22:51 cmd /c del /f /q "<Current directory>\"<Full path to file>" "
'%WINDIR%\syswow64\at.exe' 12:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 10:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 09:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 08:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 07:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 06:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 05:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 04:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 03:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 02:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 01:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 00:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 11:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\at.exe' 22:51 cmd /c del /f /q "<Full path to file>"
Modifies file system
Creates the following files
%WINDIR%\syswow64\svrhost.exe
Sets the 'hidden' attribute to the following files
%WINDIR%\syswow64\svrhost.exe
%WINDIR%\tasks\at1.job
%WINDIR%\tasks\at10.job
%WINDIR%\tasks\at11.job
%WINDIR%\tasks\at12.job
%WINDIR%\tasks\at13.job
%WINDIR%\tasks\at14.job
%WINDIR%\tasks\at15.job
%WINDIR%\tasks\at2.job
%WINDIR%\tasks\at3.job
%WINDIR%\tasks\at4.job
%WINDIR%\tasks\at5.job
%WINDIR%\tasks\at6.job
%WINDIR%\tasks\at7.job
%WINDIR%\tasks\at8.job
%WINDIR%\tasks\at9.job
Deletes the following files
%WINDIR%\tasks\adobe flash player updater.job
<SYSTEM32>\tasks\adobe flash player updater
Miscellaneous
Creates and executes the following
'%WINDIR%\syswow64\net.exe' stop windefend' (with hidden window)
'%WINDIR%\syswow64\at.exe' 08:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 09:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 10:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 11:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 12:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 13:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 14:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 15:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c move /y "<Current directory>\ps????.exe" "<SYSTEM32>\"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 16:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 18:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 19:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 20:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 21:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 22:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 23:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 22:51 cmd /c del /f /q "<Current directory>\"<Full path to file>" "' (with hidden window)
'%WINDIR%\syswow64\at.exe' 22:51 cmd /c del /f /q "<Full path to file>"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 06:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 07:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 05:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 04:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 03:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' -h "%WINDIR%\tasks\at*.job"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "%WINDIR%\tasks\at*.job"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' -h "%WINDIR%\tasks\*update*.*"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "%WINDIR%\tasks\*update*.*"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' -h "%WINDIR%\tasks\install.*"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "%WINDIR%\tasks\install.*"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' -h "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' +h "%WINDIR%\tasks\at*.job"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 17:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "<Current directory>\update.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c move /y "<Current directory>\wget.exe" "<SYSTEM32>\"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' +h "<SYSTEM32>\wget.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c copy /y /b "<Current directory>\"<Full path to file>" " "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c copy /y /b "<Full path to file>" "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' +h "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 00:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 01:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\at.exe' 02:51 /every:1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 "<SYSTEM32>\svrhost.exe"' (with hidden window)
'%WINDIR%\syswow64\net.exe' start schedule' (with hidden window)
'%WINDIR%\syswow64\attrib.exe' +h "<SYSTEM32>\ps????.exe"' (with hidden window)
'%WINDIR%\syswow64\net.exe' start windefend' (with hidden window)
Executes the following
'%WINDIR%\syswow64\net.exe' start schedule
'%WINDIR%\syswow64\attrib.exe' +h "%WINDIR%\tasks\at*.job"
'%WINDIR%\syswow64\attrib.exe' +h "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\cmd.exe' /c copy /y /b "<Full path to file>" "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\cmd.exe' /c copy /y /b "<Current directory>\"<Full path to file>" " "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\attrib.exe' +h "<SYSTEM32>\wget.exe"
'%WINDIR%\syswow64\cmd.exe' /c move /y "<Current directory>\wget.exe" "<SYSTEM32>\"
'%WINDIR%\syswow64\attrib.exe' +h "<SYSTEM32>\ps????.exe"
'%WINDIR%\syswow64\cmd.exe' /c move /y "<Current directory>\ps????.exe" "<SYSTEM32>\"
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "<Current directory>\update.exe"
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\attrib.exe' -h "<SYSTEM32>\svrhost.exe"
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "%WINDIR%\tasks\install.*"
'%WINDIR%\syswow64\attrib.exe' -h "%WINDIR%\tasks\install.*"
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "%WINDIR%\tasks\*update*.*"
'%WINDIR%\syswow64\attrib.exe' -h "%WINDIR%\tasks\*update*.*"
'%WINDIR%\syswow64\cmd.exe' /c del /f /q "%WINDIR%\tasks\at*.job"
'%WINDIR%\syswow64\attrib.exe' -h "%WINDIR%\tasks\at*.job"
'%WINDIR%\syswow64\net1.exe' start schedule
'%WINDIR%\syswow64\net1.exe' stop windefend
'%WINDIR%\syswow64\net.exe' start windefend
'%WINDIR%\syswow64\net1.exe' start windefend
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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