Exterminate It! Antimalware


Known threats:700,086 Last Update:March 16, 12:51


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File: 123messenger.per

Location of 123messenger.per and Associated Malware

Check whether 123messenger.per is present in the following locations:

123messenger.per file locations that are Windows version independent:

  • C:\Windows\123messenger.per

If you find 123messenger.per file in any of these locations, your computer is very likely to be infected with the following malware:

IMPORTANT: Malware files can be camouflaged with the same file names as legitimate files. The 123messenger.per file is associated with malware only if found in the locations listed above.


Different Variations of 123messenger.per File^

File SizeFile Md5Last Seen
8448BFB79683DF0B894CFAB9B93C522E43C7Dec 28, 2009
11264D46AABCAA8A1B3AE4D5920D03894E9D4Jan 14, 2010
120327F1571B765331D6CC034715E1012B264Jan 16, 2010
2406431FA2AA5C429B8D01FD32A617C2A8FBBJan 27, 2010
11520300C39FDF8F0B8559B8386F481BC46AFMay 26, 2010
1382472E6D58D8FA8C1DC99CE5F769C4CC4F3Jun 6, 2010
9472D4260CCA623375FED8E8A481F5DCDF18Jul 18, 2010
24576DCDB5FF1E0C97806EA90EE139A369A91Jan 30, 2011
207367C2EC23870D5DA474F8CA48913C74575May 20, 2011
21760DB87928E6BDB4185151DF8449C47C080Sep 9, 2011
22784980EBC493D1AFBD2B68318FE0D695080Feb 18, 2012

Why Is It Important to Remove Malware Files?^

It is imperative that you delete malware-associated files as soon as possible because they can be used - or are already being used - to inflict serious damage on your PC, including:

  • Disrupting the normal functioning of the operating system or rendering it completely useless.
  • Hijacking valuable private information (credit card numbers, passwords, PIN codes, etc.)
  • Directing all your Web searches to the same unwanted or malicious sites.
  • Dramatically slowing down your computer.
  • Gaining total control of your PC to spread viruses and trojans and send out spam.

How to Remove 123messenger.per^

  1. To enable deleting the 123messenger.per file, terminate the associated process in the Task Manager as follows:
    • Right-click in the Windows taskbar (a bar that appears along the bottom of the Windows screen) and select Task Manager on the menu.
    • In the Tasks Manager window, click the Processes tab.
    • On the Processes tab, select 123messenger.per and click End Process.
  2. Using your file explorer, browse to the file using the paths listed in Location of 123messenger.per and Associated Malware.
  3. Select the file and press SHIFT+Delete on the keyboard.
  4. Click Yes in the confirm deletion dialog box.
  5. Repeat steps 2-4 for each location listed in Location of 123messenger.per and Associated Malware.
  6. Notes:

    • The deletion of 123messenger.per will fail if it is locked; that is, it is in use by some application (Windows will display a corresponding message). For instructions on deleting locked files, see Deleting Locked Files.
    • The deletion of 123messenger.per will fail if your Windows uses the NT File System (NTFS) and you have no write rights for the file. Request your system administrator to grant you write rights for the file.

Deleting Locked Files^

You can delete locked files with the RemoveOnReboot utility. You can install the RemoveOnReboot utility from here.

After you delete a locked file, you need to delete all the references to the file in Windows registry.

To delete a locked file:

  1. Right-click on the file and select Send To -> Remove on Next Reboot on the menu.
  2. Restart your computer.

The file will be deleted on restart.

Note: In the case of complex viruses that can replicate themselves, malware files can reappear in the same locations even after you have deleted those files and restarted your computer. Exterminate It! Antimalware can effectively eradicate such viruses from your computer.

To remove all registry references to a 123messenger.per malware file:

  1. On the Windows Start menu, click Run.
  2. In the Open box, type regedit and click OK. The Registry Editor window opens.
  3. On the Edit menu, select Find.
  4. In the Find dialog box, type 123messenger.per. The name of the first found registry value referencing 123messenger.per is highlighted in the right pane of the Registry Editor window.
  5. Right-click the registry value name and select Delete on the menu.
  6. Click Yes in the Confirm Value Delete dialog box.
  7. To delete all other references to 123messenger.per, repeat steps 4-6.
IMPORTANT: Malware files can masquerade as legitimate files by using the same file names. To avoid deleting a harmless file, ensure that the Value column for the registry value displays exactly one of the paths listed in Location of 123messenger.per and Associated Malware.