Sophos

W32/Frawrm-A

Aliases
  • Virus.Win32.AutoRun.bb
  • Win32/Delf.NFG
  • W32/Generic.worm.j
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Removable storage devices
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from September 2007 (4.21)
Protection available since 21 July 2007 16:45:16 (GMT)
Detected by All Sophos products

Action

More Information

W32/Frawrm-A is a worm for the Windows platform.

W32/Frawrm-A spreads to other network computers and removable drives.

When first run W32/Frawrm-A copies itself to:

<Root>\recycler\systems.com
<System>\taskmger.com

and creates the file <Root>\autorun.inf.

Autorun.inf is detected as Mal/AutoInf-A.

The following registry entry is changed to run taskmger.com on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe taskmger.com

The following registry entries are set, disabling system software:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskmgr
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1

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