W32.Hostidel.Trojan

Risk Level 1: Very Low

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Discovered:: November 13, 2003
Updated:: February 13, 2007 12:13:52 PM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Hostidel.Trojan is a Trojan horse that overwrites the Windows Hosts files, which are used for name resolution.

This Trojan also modifies the Windows registry to change the Internet Explorer home page and the default search page in Internet Explorer.

Antivirus Protection Dates

Initial Rapid Release version November 13, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version November 13, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date November 13, 2003

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Kevin Ha

Technical Details

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Internet Security Threat Report, Volume 16