Sophos

Troj/Zlob-H

Aliases
  • Downloader-XC
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from July 2005 (3.95)
Protection available since 28 May 2005 12:29:47 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Zlob-H is a downloader Trojan.

Troj/Zlob-H attempts to stealth itself by injecting itself into EXPLORER.EXE or by registering itself as a service process.

Troj/Zlob-H attempts to download information from one of the following websites:

dumpserv.com
zxserv0.com
vnp7s.net

Troj/Zlob-H will also try to download files from these websites to the LogFiles subfolder of the Windows system with a filename based on the information it downloaded previously, and it may then execute the downloaded file. Troj/Zlob-H is a downloader Trojan.

Troj/Zlob-H creates the following entry in the registry so as to run itself on system startup, assuming it is called MSMSGS.EXE in a suitable folder:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
notepad.exe
"msmsgs.exe"

Troj/Zlob-H also adds MSMSGS.EXE to the following registry entry so as to run itself on system startup:

HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell

Troj/Zlob-H creates a registry entry at the following location:

HKLM\Software\Microsoft\Windows\CurrentVersion
uuid

Troj/Zlob-H attempts to stealth itself by injecting itself into EXPLORER.EXE or by registering itself as a service process.

Troj/Zlob-H attempts to download information from one of the following websites:

dumpserv.com
zxserv0.com
vnp7s.net

Troj/Zlob-H will also try to download files from these websites to the LogFiles subfolder of the Windows system with a filename based on the information it downloaded previously, and it may then execute the downloaded file.

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