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TrojanDownloader:Win32/Rochap.C
Detected by Microsoft Defender Antivirus
Aliases: TrojanDownloader:Win32/Rochap.C!dll (other)
Summary
TrojanDownloader:Win32/Rochap.C is a trojan component installed by TrojanDropper:Win32/Rochap.C. This trojan component connects to a certain Web site to download another malware, which is detected as Trojan:Win32/Rochap.A. While downloading the file, it launches the default Web browser and displays a video from youtube.com, presumably to distract the affected user.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.