Defend what you create

Other Resources

Close

Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Autoruner1.5121

Added to the Dr.Web virus database: 2011-12-02

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'WINDOWS' = '%TEMP%\EncryptedFile.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\] 'Windows Firewall' = '%APPDATA%\lsass.exe'
  • [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\] 'Windows Firewall' = '%APPDATA%\lsass.exe'
  • [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'WINDOWS' = '%APPDATA%\lsass.exe'
Creates the following files on removable media
  • <Drive name for removable media>:\tthdhgc\dfg-2352-66235-2352322-634621321-6662355\desktop.ini
  • <Drive name for removable media>:\tthdhgc\dfg-2352-66235-2352322-634621321-6662355\364855.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions
Injects code into
the following user processes:
  • lsass.exe
Modifies file system
Creates the following files
  • %TEMP%\encryptedfile.exe
  • %APPDATA%\lsass.exe
Sets the 'hidden' attribute to the following files
  • %APPDATA%\lsass.exe
  • <Drive name for removable media>:\tthdhgc\dfg-2352-66235-2352322-634621321-6662355\364855.exe
Network activity
Connects to
  • '<LOCALNET>.0.0':445
  • '<LOCALNET>.0.0':139
  • '<LOCALNET>.0.0':80
UDP
  • DNS ASK an#####scool.no-ip.biz
Miscellaneous
Creates and executes the following
  • '%TEMP%\encryptedfile.exe'
  • '%APPDATA%\lsass.exe'
  • '%APPDATA%\lsass.exe' ' (with hidden window)

The Russian developer of Dr.Web anti-viruses

Doctor Web has been developing anti-virus software since 1992

Dr.Web is trusted by users around the world in 200+ countries

The company has delivered an anti-virus as a service since 2007

24/7 tech support

© Doctor Web
2003 — 2020

Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.

2-12А, 3rd street Yamskogo polya, Moscow, Russia, 125040