What is HamsterArc.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the HamsterArc.exe 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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HamsterArc.exe file information

Windows Task Manager with HamsterArc
HamsterArc.exe process in Windows Task Manager

The process known as Hamster Lite Archiver or Hamster Free Archiver belongs to software Hamster Free Archiver or Hamster Lite Archiver by Hamster Soft.

Description: HamsterArc.exe is not essential for the Windows OS and causes relatively few problems. HamsterArc.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 2,260,480 bytes (44% of all occurrences), 3,162,112 bytes or 9,776,624 bytes. 
The program has a visible window. The process starts upon Windows startup (see Registry key: MACHINE\Run). The HamsterArc.exe file is not a Windows system file. HamsterArc.exe is able to connect to the Internet and record keyboard and mouse inputs. Therefore the technical security rating is 21% dangerous.

Uninstalling this variant: If problems with Hamster Free Archiver or Hamster Lite Archiver come up, you can uninstall it software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify HamsterArc.exe related errors

Important: Some malware camouflages itself as HamsterArc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the HamsterArc.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.


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Best practices for resolving HamsterArc issues

A clean and tidy computer is the key requirement for avoiding problems with HamsterArc. 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 HamsterArc.exe 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

HamsterArc.exe [all]