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W32/Fujacks-B

Aliases
  • Backdoor.Win32.Delf.aka
  • W32/Fujacks.worm
  • virus
  • Win32/Fujacks.L
  • worm
  • PE_FUJACKS.AL-O
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Removable storage devices
  • Network shares
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Protection available since 3 January 2007 14:29:56 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Fujacks-B is an attempted virus and worm with backdoor functionality for the Windows platform.

W32/Fujacks-B spreads to other network computers through available network shares and removeable storage devices with the filenames GameSetup.exe and setup.exe correspondingly. W32/Fujacks-B also creates the file autorun.inf to insure that the file setup.exe is executed.

W32/Fujacks-B runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer.

W32/Fujacks-B includes functionality to access the internet and communicate with a remote server via HTTP.

W32/Fujacks-B may change HTML files. Modified files are detected as Troj/Psyme-DO.

When first run W32/Fujacks-B copies itself to <System>\drivers\spoclsv.exe.

The following registry entry is created to run spoclsv.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
svcshare
<System>\drivers\spoclsv.exe

The following registry entry is set:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
Advanced\Folder\Hidden\SHOWALL
CheckedValue
0

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