Win32.HLLW.Siggen.9136
Added to the Dr.Web virus database:
2017-01-11
Virus description added:
2017-01-11
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- <LS_APPDATA>\Start\RCX5.tmp
- <LS_APPDATA>\Start\update_backup.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\ocesgaty.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4.tmp" "%TEMP%\vbc3.tmp"
- '%TEMP%\update.exe'
- '%TEMP%\svchost.exe'
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\qug9zd5f.cmdline"
Modifies file system:
Creates the following files:
- %TEMP%\whatdafock.txt
- %TEMP%\ocesgaty.0.vb
- %TEMP%\fjdi.resources
- %TEMP%\qug9zd5f.exe
- %TEMP%\QnJ.resources
- %TEMP%\RES4.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\vbc3.tmp
- %TEMP%\ocesgaty.cmdline
- %TEMP%\ocesgaty.out
- %TEMP%\RES2.tmp
- <LS_APPDATA>\Start\update.exe
- %TEMP%\bG5R85XA.resources
- %TEMP%\svchost.exe
- %TEMP%\tFznDHd.resources
- %TEMP%\update.exe
- %TEMP%\qug9zd5f.out
- %TEMP%\vbc1.tmp
- %TEMP%\qug9zd5f.cmdline
- %TEMP%\MSNPSharp.dll
- %TEMP%\qug9zd5f.0.vb
Deletes the following files:
- %TEMP%\ocesgaty.out
- %TEMP%\QnJ.resources
- %TEMP%\ocesgaty.0.vb
- %TEMP%\ocesgaty.cmdline
- %TEMP%\windowsupdate.ico
- <LS_APPDATA>\Start\update.exe
- %TEMP%\fjdi.resources
- <LS_APPDATA>\Start\update_backup.exe
- %TEMP%\qug9zd5f.cmdline
- %TEMP%\qug9zd5f.0.vb
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\RES4.tmp
- %TEMP%\vbc3.tmp
- %TEMP%\qug9zd5f.out
- %TEMP%\qug9zd5f.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
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