How to remove the w virus
Most antivirus programs identify w.exe as malware, for instance Kaspersky identifies it as Trojan.Win32.Agent.bsud, and TrendMicro identifies it as TROJ_AGENT.ANCQ.
The free file information forum can help you find out how to remove it. If you know more about this file, please leave a comment or a hint for other users.
Click to Run a Free Virus Scan for the w.exe malware
W.exe file information
w.exe does not provide any particulars about the software with which the process was installed, nor is the developer identified within the file.
Description: w.exe is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 240,640 bytes (20% of all occurrences), 224,768 bytes, 229,888 bytes, 224,256 bytes or 231,424 bytes. 
There is no information about the author of the file. The program has no visible window. The file is located in the Windows folder, but it is not a Windows core file. The file is not a Windows system file. The application listens for or sends data on open ports to a LAN or the Internet.
Therefore the technical security rating is 86% dangerous, however also read the users reviews.
Recommended: Identify w.exe related errors
If w.exe is located in a subfolder of "C:\Documents and Settings", the security rating is 36% dangerous. The file size is 122,880 bytes. The program has a visible window. There is no description of the program. The program is loaded during the Windows boot process (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run). File w.exe is not a Windows system file. w.exe is able to manipulate other programs.
Important: Some malware camouflages itself as w.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the w.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Score
User Comments
W scanner
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan. Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager. SpeedUpMyPC scans, cleans, repairs and optimizes your computer. |
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Marianna (further information)