Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 22 June 2006 12:28:23 (GMT) |
| Last updated | 15 December 2006 06:26:33 (GMT) |
| Detected by | All Sophos products |
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Action

Summary
Action
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Please follow the instructions for removing Trojans.
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Troj/Zlob-OY is a Trojan for the Windows platform.
When Troj/Zlob-OY is installed the following files are created:
<System>\simpole.tlb
<System>\stdole3.tlb
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\(686a161d-5bd1-4999-8832-6393f41e564c)
HKCR\CLSID\(686a161d-5bd1-4999-8832-6393f41e564c)
Troj/Zlob-OY 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\(686a161d-5bd1-4999-8832-6393f41e564c)\
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta\(686a161d-5bd1-4999-8832-6393f41e564c)\(default)
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run
dcomcfg.exe
dcomcfg.exe
