Sophos

W32/Liji-A

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Removable storage devices
  • Network shares
  • Infected files
  • Web downloads
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 25 April 2007 07:28:03 (GMT)
Last updated 26 April 2007 09:03:18 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Liji-A is a virus for the Windows platform.

When run W32/Liji-A creates the file <Temp>\<random numbers>.bmw. This file is also detected as W32/Liji-A.

Once installed W32/Liji-A attempts to infect file executables. The infected files will then attempt to download files from a remote website and run it. The infected files are also detected as W32/Liji-A.

W32/Liji-A also attempts to spread by copying itself via:

- network shares protected by weak passwords, as the filename krdown.exe

- removeable shared drives, as the filename <Root>\autorunx.exe. It does this by creating the file <Root>\autorun.inf that contains instructions to run the virus when the removeable drive is connected to an uninfected computer.

W32/Liji-A also copies itself to <System>\spool\svchost.exe and creates the following registry entry to run itself on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
wlinles
<System>\spool\svchost.exe

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