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Win32.HLLW.Autoruner3.1989

Added to the Dr.Web virus database: 2020-02-08

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '%TEMP%\service2.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\] 'Windows Services' = 'service2.exe'
Creates the following files on removable media
  • <Drive name for removable media>:\facebook\pictures\desktop.ini
  • <Drive name for removable media>:\facebook\pictures\my picture.scr
  • <Drive name for removable media>:\autorun.inf
Malicious functions
Searches for windows to
detect analytical utilities:
  • ClassName: 'OLLYDBG', WindowName: ''
  • ClassName: 'GBDYLLO', WindowName: ''
  • ClassName: 'pediy06', WindowName: ''
  • ClassName: 'FilemonClass', WindowName: ''
  • ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
  • ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'RegmonClass', WindowName: ''
  • ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
Modifies file system
Creates the following files
  • %TEMP%\service2.exe
Sets the 'hidden' attribute to the following files
  • %TEMP%\service2.exe
Network activity
Connects to
  • 'vp######9999.softether.net':6667
UDP
  • DNS ASK vp######9999.softether.net
Miscellaneous
Searches for the following windows
  • ClassName: '18467-41' WindowName: ''
Creates and executes the following
  • '%TEMP%\service2.exe'
  • '%TEMP%\service2.exe' ' (with hidden window)

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