How to remove the 1 virus
Most antivirus programs identify 1.tmp as malware, for example Kaspersky identifies it as Backdoor.Win32.Agent.fg, and Symantec identifies it as Backdoor.Trojan.
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.
1.tmp file information
Description: 1.tmp is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 24,677 bytes (20% of all occurrences), 150,528 bytes and 7 more variants.
The program has no file description. 1.tmp is not a Windows system file. The program is not visible. File 1.tmp is an unknown file in the Windows folder. The program starts when Windows starts (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit). The process listens for or sends data on open ports to a LAN or the Internet. 1.tmp is able to monitor applications. Therefore the technical security rating is 80% dangerous, however also read the users reviews.
Recommended: Identify 1.tmp related errors
If 1.tmp is located in a subfolder of "C:\Documents and Settings", the security rating is 89% dangerous. The file size is 7,745 bytes (50% of all occurrences), 4,096 bytes or 14,175 bytes. There is no description of the program. The program has no visible window. It is able to record keyboard inputs. There is no detailed description of this service. It is not a Windows system file. 1.tmp is able to record inputs and manipulate other programs.
If 1.tmp is located in a subfolder of C:\Windows, the security rating is 86% dangerous. The file size is 16,560 bytes (50% of all occurrences) or 4,096 bytes. There is no description of the program. The program has no visible window. 1.tmp is not a Windows core file. 1.tmp is able to record inputs and manipulate other programs.
Important: Some malware camouflages itself as 1.tmp, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the 1.tmp 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.
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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