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Troj/Zlob-PV

Aliases
  • Trojan-Downloader.Win32.Zlob.aac
  • Win32/TrojanDownloader.Zlob.VN
  • trojan
  • TROJ_ZLOB.AIJ
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 24 July 2006 06:00:30 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Zlob-PV is a downloader Trojan for the Windows platform.

Troj/Zlob-PV may be dropped by Troj/Zlob-PU. Troj/Zlob-PV is a downloader Trojan for the Windows platform.

Troj/Zlob-PV may be dropped by Troj/Zlob-PU.

When Troj/Zlob-PV is installed the following files are created:

<System>\simpole.tlb
<System>\hp100.tmp
<System>\stdole3.tlb - clean file

The file hp100.tmp is registered as a COM object and Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry entries under:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\(f7d40011-29bb-43eb-9c97-875ce89e9e36)
HKCR\CLSID\(f7d40011-29bb-43eb-9c97-875ce89e9e36)

Troj/Zlob-PV changes Start Page and search settings for Microsoft Internet Explorer by modifying values under:

HKCU\Software\Microsoft\Internet Explorer\Search\
HKCU\Software\Microsoft\Internet Explorer\Main\Start Page

Registry entries are set as follows:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta\(f7d40011-29bb-43eb-9c97-875ce89e9e36)\

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta\(f7d40011-29bb-43eb-9c97-875ce89e9e36)\(default)

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run
dcomcfg.exe
dcomcfg.exe

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