Sophos

W32/Stando-E

Aliases
  • Generic
  • Dropper.l
  • trojan
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 9 November 2005 21:41:56 (GMT)
Detected by All Sophos products
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Action

More Information

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

W32/Stando-A copies itself to the root folder of available disk drives with the filename sys.exe and creates the hidden file autorun.inf to run it.
W32/Stando-A is a worm for the Windows platform.

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

<System>\mgrShell.exe
<System>\scApp.exe

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

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
scApp
<System>\scApp.exe

W32/Stando-A copies itself to the root folder of available disk drives with the filename sys.exe and creates the hidden file autorun.inf containing the following text:

[autorun]
open=sys.exe

W32/Stando-A may attempt to write to the end of files with a DOC extension, and may modify files in the root drive or internet cache folder called ~Thumbs.db or in the internet cache folder called ~RSW114.tmp.

W32/Stando-A may set the following registry entry to allow Autoplay on removable, fixed, CD-ROM and RAM drives:

HKCU\Software\Microsoft\CurrentVersion\Policies\Explorer
NoDriveTypeAutoRun
91

W32/Stando-A may set the following registry entries to prevent hidden files from being shown, including files related to itself:

HKCU\Software\Microsoft\CurrentVersion\Explorer\Advanced
SuperHidden
1

HKCU\Software\Microsoft\CurrentVersion\Explorer\Advanced
ShowSuperHidden
0

W32/Stando-A injects its code into explorer.exe and from there runs <System>\scApp.exe.

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