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Trojan.Siggen9.60724
Added to the Dr.Web virus database:
2020-07-24
Virus description added:
2020-07-25
Technical Information
To ensure autorun and distribution
Creates the following services
[<HKLM>\SYSTEM\CurrentControlSet\Services\Fasoo Process Service] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\Fasoo Process Service] 'ImagePath' = '"%ProgramFiles%\Fasoo DRM\f_LPS.exe"'
[<HKLM>\System\CurrentControlSet\Services\f_npm] 'ImagePath' = '<DRIVERS>\f_npm.sys'
[<HKLM>\SYSTEM\CurrentControlSet\Services\f_npm] 'Start' = '00000002'
Malicious functions
Installs hooks to intercept notifications
on keystrokes:
Handler for all processes: %ProgramFiles(x86)%\Fasoo DRM\f_sps.dll
on window messages:
Handler for all processes: %ProgramFiles(x86)%\Fasoo DRM\f_sps.dll
Handler for all processes: %ProgramFiles%\Fasoo DRM\f_sps.dll
Miscellaneous
Searches for the following windows
ClassName: '__@@Fasoo_DRM_CMH_Agent@@__' WindowName: ''
ClassName: '__@@Fasoo_DRM_CMH_Client@@__' WindowName: ''
ClassName: '__@@Fasoo_DRM_CMH_Client64@@__' WindowName: ''
ClassName: '#01152004_FPH' WindowName: ''
ClassName: '#01152004_FPH64' WindowName: ''
ClassName: 'FasooSecurePrintManagerClass' WindowName: 'FasooSecurePrintManagerWindow'
ClassName: 'FasooSecurePrintRecoverClass' WindowName: 'FasooSecurePrintRecoverWindow'
Creates and executes the following
'%TEMP%\7zs84a.tmp\launchaclwait_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zs1faa.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zsffce.tmp\setacl.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl
'%WINDIR%\installer\msi2c3f.tmp' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl
'%WINDIR%\installer\msi52a.tmp' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%ProgramFiles%\fasoo drm\fph.exe'
'%WINDIR%\installer\msic9e.tmp' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zs1087.tmp\launchaclwait_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np
'%WINDIR%\installer\msifbf2.tmp' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl
'%TEMP%\7zsffce.tmp\launchaclwait.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl
'%WINDIR%\installer\msi152a.tmp' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...
'%TEMP%\7zs1857.tmp\launchaclwait_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...
'%TEMP%\7zs1857.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...
'%TEMP%\7zs274b.tmp\launchaclwait_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np
'%WINDIR%\installer\msi1ccc.tmp' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zs1faa.tmp\launchaclwait_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zs1087.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zs274b.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zs2f79.tmp\launchaclwait_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl
'%TEMP%\7zs84a.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zsf6d5.tmp\setacl.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np
'%WINDIR%\installer\msicf40.tmp' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zsdab2.tmp\launchaclwait.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zsd071.tmp\setacl.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%ProgramFiles(x86)%\fasoo drm\fph.exe'
'%WINDIR%\installer\msid5c8.tmp' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zsdab2.tmp\setacl.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zsf6d5.tmp\launchaclwait.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np
'%WINDIR%\installer\msif394.tmp' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np
'%ProgramFiles%\fasoo drm\f_lps.exe'
'%TEMP%\7zsd071.tmp\launchaclwait.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%WINDIR%\installer\msiea4c.tmp' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zsedfc.tmp\launchaclwait.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zsedfc.tmp\setacl.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"
'%TEMP%\7zs2f79.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl
'%WINDIR%\installer\msie162.tmp' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...
'%WINDIR%\installer\msi23e2.tmp' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np
'%TEMP%\7zse512.tmp\launchaclwait.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...
'%TEMP%\7zse512.tmp\setacl.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...
'%TEMP%\7zs1faa.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"' (with hidden window)
'%TEMP%\7zs274b.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np' (with hidden window)
'%TEMP%\7zs2f79.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl' (with hidden window)
'%ProgramFiles(x86)%\fasoo drm\fph.exe' ' (with hidden window)
'%TEMP%\7zs1857.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...' (with hidden window)
'%TEMP%\7zs1087.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np' (with hidden window)
'%WINDIR%\syswow64\msiexec.exe' /regserver' (with hidden window)
'%TEMP%\7zse512.tmp\setacl.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn ace -ace "n:S-1-5-32-544;s:y;p:full" -ace "n:S-1-3-0;s:y;p:full" -ace "n:S-1-5-18;s:y;p:full" -ace "n:S-1-5-32-547;s:y;p:full" -ace "n:S-1-5...' (with hidden window)
'%TEMP%\7zsf6d5.tmp\setacl.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setprot -op dacl:np' (with hidden window)
'%TEMP%\7zsedfc.tmp\setacl.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"' (with hidden window)
'%TEMP%\7zsdab2.tmp\setacl.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setprot -op dacl:np' (with hidden window)
'%TEMP%\7zsd071.tmp\setacl.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"' (with hidden window)
'%WINDIR%\syswow64\net.exe' start MSIServer' (with hidden window)
'%TEMP%\7zs84a.tmp\setacl_64.exe' -on "HKLM\SOFTWARE\Fasoo DRM" -ot reg -rec yes -actn setowner -ownr "n:S-1-5-32-544;s:y"' (with hidden window)
'%TEMP%\7zsffce.tmp\setacl.exe' -on "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" -ot reg -rec yes -actn clear -clr dacl,sacl' (with hidden window)
'%ProgramFiles%\fasoo drm\fph.exe' ' (with hidden window)
Executes the following
'%WINDIR%\syswow64\msiexec.exe' /regserver
'%WINDIR%\syswow64\net.exe' start MSIServer
'%WINDIR%\syswow64\net1.exe' start MSIServer
'<SYSTEM32>\msiexec.exe' /quiet /fm {03035FB1-E054-4e3b-8D73-50B3C1496292}
'%WINDIR%\syswow64\rundll32.exe' "%ProgramFiles(x86)%\Fasoo DRM\f_protry.dll", SWMStart
'<SYSTEM32>\rundll32.exe' "%ProgramFiles%\Fasoo DRM\f_protry.dll", SWMStart
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
Download Dr.Web for Android
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