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Win32.HLLW.Autoruner2.54467

Added to the Dr.Web virus database: 2019-07-31

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'kaauvic' = '%HOMEPATH%\kaauvic.exe /W'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\kaauvic.exe
  • <Drive name for removable media>:\split.exe
  • <Drive name for removable media>:\rcx1.tmp
  • <Drive name for removable media>:\rcx2.tmp
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Modifies file system
Creates the following files
  • %HOMEPATH%\kaauvic.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\kaauvic.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files
  • <Drive name for removable media>:\split.exe
Substitutes the following files
  • <Drive name for removable media>:\split.exe
Network activity
Connects to
  • '255.255.255.255':8003
UDP
  • DNS ASK ns#.##ayer1352.com
  • DNS ASK ns#.##ayer1352.net
  • DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
  • '%HOMEPATH%\kaauvic.exe'

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