Exterminate It! Antimalware


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


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File: Optscan

Location of Optscan and Associated Malware

Check whether Optscan is present in the following locations:

Optscan file locations that are Windows version independent:

  • C:\Windows\System32\Tasks\Optscan

If you find Optscan 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 Optscan file is associated with malware only if found in the locations listed above.


Different Variations of Optscan File^

File SizeFile Md5Last Seen
3294B5704AC8C973DB3446DB6EA79B38B7D5Aug 5, 2015
32521F1E85D8DFCB39F64C3168FBED113CC7Aug 17, 2015
3300652AC74988AC30E05CF3A72348BF445AAug 27, 2015
32887B6F70E4EEF39F9C6B032F40D2FCEB04Oct 11, 2015
3252E4B5C21E4335B880D552D03362985690Nov 7, 2015
29528FDA1D32E30057E5D2D0C127E739DBEDNov 16, 2015
3252510B0DD300340B8353B9F489646F6C76Nov 21, 2015
3276E14F9BBEC3E02607F85A7777580BB593Dec 29, 2015
3248CDE1220ED8A648B242C7ACD79F86F699Feb 2, 2016
325270FDAFB7CCF5F2D1ECF7B5A93A97058EFeb 6, 2016
324876D20D5C5C9EA9CACF1EF06B5520B80BApr 22, 2016

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 Optscan^

  1. To enable deleting the Optscan 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 Optscan and click End Process.
  2. Using your file explorer, browse to the file using the paths listed in Location of Optscan 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 Optscan and Associated Malware.
  6. Notes:

    • The deletion of Optscan 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 Optscan 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 Optscan 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 Optscan. The name of the first found registry value referencing Optscan 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 Optscan, 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 Optscan and Associated Malware.