What is 2.tmp?

Please read below to decide for yourself whether the 2.tmp on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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2.tmp file information

The process appears to belong to software MEMSWEEP2 by unknown.

Description: 2.tmp is not essential for the Windows OS and causes relatively few problems. The file 2.tmp is located in the C:\Windows folder. The file size on Windows 10/8/7/XP is 73,728 bytes. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 5E9755A1-314A-4ae6-99E1-B9F7DC7C7CF0. There is no description of the program. The program has no visible window. 2.tmp is an unknown file in the Windows folder. The file is able to monitor web browsers. There is no detailed description of this service. 2.tmp is not a Windows system file. Therefore the technical security rating is 92% dangerous.

Recommended: Identify 2.tmp related errors

If 2.tmp is located in a subfolder of the user's profile folder, the security rating is 56% dangerous. The file size is 14,175 bytes. There is no file information. The program has no visible window. The file is not a Windows core file.

Important: Some malware camouflages itself as 2.tmp. Therefore, you should check the 2.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.


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Best practices for resolving 2 issues

A clean and tidy computer is the key requirement for avoiding problems with 2. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the 2.tmp process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

2.tmp [all]