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Virus:Win32/Nuwar.A
Detected by Microsoft Defender Antivirus
Aliases: Win32/VMalum.BSA (CA) Trojan.Win32.Patched.ad (Kaspersky) TROJ/Dorf-M (Sophos) Trojan.Patched.X (Sunbelt Software) Trojan.Peacomm!inf (Symantec)
Summary
Virus:Win32/Nuwar.A is a file modifying virus. This virus modifies device drivers on an infected system, specifically files named kbdclass.sys and tcpip.sys. The modified drivers load Nuwar into memory on system startup, and in some cases, the virus may block system file checker from displaying notifications of these system file modifications.
Related Malware
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.