Exterminate It! Antimalware


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


I managed to get my main PC infected by the Koobface virus. I put up with it's constant interruptions as it presented me with the fake virus screens offering to correct the problems for me. This continued for a couple of days. I ran both SUPERAntiSpyware and Malwarebyte's Anti-Malware several times and neither of them cleaned my PC of this irritating virus. Then I found your Exterminate It! product and decided to give it a chance to succeed where my other attempts had failed.
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File: One System CarePeriod

Location of One System CarePeriod and Associated Malware

Check whether One System CarePeriod is present in the following locations:

One System CarePeriod file locations that are Windows version independent:

  • C:\Windows\System32\Tasks\One System CarePeriod

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


Different Variations of One System CarePeriod File^

File SizeFile Md5Last Seen
2840051D3CF2A71B80E25227AAD56A18F61DJun 8, 2015
28365B9B170BDBC8175B70003C6DE36D93E8Jun 9, 2015
288830BDBC5D9A6272A3CE7EC4B36528948FAug 19, 2015
2950E612BABBF9CF7CBC2F3FF6263DBE3539Sep 5, 2015
282825FFA25A20D2C4C317FFA2316C17DD40Sep 21, 2015
286490DE8A27D1A47FD681EE810A1580E33BOct 1, 2015
28285AAB5DE814A28D0878B1BB3C05FC3257Nov 20, 2015
29249602B03ECCC762248F572772AAA6E56FJan 9, 2016
2840C43B7274447B04C106B0CE3589E0ACD2Feb 6, 2016
28281F0F29190F14C8E7321E562419BF9A56Apr 2, 2016
28205ABAF1CC5BD321F602CA2F5134F98FAFApr 19, 2016
2940C5509E92275091E66ADC674F5530625DMay 23, 2016
29607449574A319D76FD6B4B85423CC5D1AAMay 30, 2016
28728269BE4EB5D8B96460B3BD6AFF902BCBJun 17, 2016
28521CFA735D1B4EC727FE77DE2D0338103AJun 23, 2016
2840C379F0AD2115BD5126CFF2C9DEAC3753Jun 23, 2016
2854080600069F3846E7C7B6462198664B21Jul 4, 2016
28482338F464CEAB26C73DCFC3640E42302FJul 23, 2016
29262A892BFB763E56F8689A4F5BCE071782Aug 17, 2016
28328EBF0A89E7E20717C340FC0E7675AC2ASep 6, 2016
284886FD99AFB72A1C1447D1988D4C69B7BFSep 17, 2016
25084E72FE650D46AE8BFE0CA2342FA05B53Oct 22, 2016
2840BD372FDA6ECE26BB079475F6C0D50FFADec 14, 2016
282843C08CAD048A06277DF461146A97FBFDJan 25, 2017
283664919D73167F8521F1494193846B2CD6Feb 2, 2017
2848ACDC3D6E16D6D2A8B16CE888E44CAEBAFeb 13, 2017
2836C60C56A6B015D4ECBD3A7435A001F8F2Feb 19, 2017
2864C1A0EF1308643936A737B5FC60560B68Feb 28, 2017

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 One System CarePeriod^

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

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