msvchost.exe - Dangerous
msvchost.exe
Jeff's Story:
My PC had gotten a bad rootkit that my ISP antivirus software (powered by McAfee) could not detect, nor could fix.
I sought a solution on the Internet and discovered your product and tried out the trial.
You quickly found the rootkit and SAVED my PC!
I haven't had any problems since, and I'm extremely grateful.
Manual removal instructions:
The downloader component will retrieve the Trojan file from a predetermined Web site.
The download component has been distributed in an unsolicited email, purporting to be a security update for Windows XP, sent by Microsoft.
The email has the following characteristics:
From: windowsupdate@microsoft.com
Subject: Windows XP Service Pack 1 (Express) - Critical Update.
Body: "Window Update has determined that you are running a beta version of Windows XP Service Pack 1 (SP1)." And so on.
Attachment: winxp_sp1.exe
When the winxp_sp1.exe is executed, it will download another Trojan component from a predetermined Web site and execute it.
When this secondary file is executed, it will perform the following actions:
Creates a copy of itself as %System%\msvchost.exe.
This contains functionality to submit system information, download, and execute additional files from the predetermined Web site.
Adds the value:
"msvcc" = "%system%\msvchost.exe"
in the registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
Contacts the predetermined Web site a second time and accesses several scripts and submits information.
To prevent this Trojan from running, outgoing HTTP connections to domain gamemaniacs.org can be blocked.
Remove it from startup by RegRun Startup Optimizer.