Sophos

W32/Stucco-B

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from November 2007 (4.23)
Protection available since 8 October 2007 08:49:47 (GMT)
Detected by All Sophos products

Action

More Information

W32/Stucco-B is a worm for the Windows platform.

When first run W32/Stucco-B copies itself to <System>\kavo.exe and creates the following files:

<Temp>\n4chbe.dll
<Temp>\v4ij7fde.sys
<System>\kavo0.dll

The file kavo0.dll is detected as Troj/Lineag-Gen and the file v4ij7fde.sys is detected as Mal/RootKit-A.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
kava
<System>\kavo.exe

W32/Stucco-B spreads by copying itself with the hidden filename ntdelect.com to network shares and removable media. The file autorun.inf is also created so that W32/Stucco-B is automatically executed. This file is detected as Mal/AutoInf-A.

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