Troj/Zlob-KB is a Trojan for the Windows platform.
When Troj/Zlob-KB is installed the following files are created:
<Windows system folder>\simpole.tlb
<Windows system folder>\stdole3.tlb
<Windows system folder>\hp<rnd>.tmp
where <rnd> is a random string of characters.
The files hp24B9.tmp and simpole.tlb are detected as Troj/Zlob-KB.
The file hp24B9.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\{f79fd28e-36ee-4989-aa61-9dd8e30a82fa}
HKCR\CLSID\{F79FD28E-36EE-4989-AA61-9DD8E30A82FA}
Troj/Zlob-KB 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