PC Regcleaners - How to remove

PC Regcleaners is another malicious program posing as a registry cleaner. System optimizer has become a dirty term for a reason: there are so many optimizers that are malware or PUPs (potentially unwanted programs) that not surprising at all that PC Regcleaners has turned out to be a virus.

Versions of PC Regcleaners have been bothering people for a few years now by refusing to be uninstalled, crashing the whole system, and breaking the settings by messing with the registry. The newest PC Regcleaners incarnation is a Trojan that uses the infected computers to perform ad fraud.

How PC Regcleaners spreads

First, programs like PC Regcleaners, Tweakerbit, OneSafe PC Cleaner, and PC Registry Shield pretend to be legitimate optimizer tools and are distributed by some websites that host free software. Some software download sites do not have very high standards for what they distribute. False advertising helps spread this Trojan wider, too. If you installed PC Regcleaners, you might have done it because of their slick, professional-looking website that boasts about enhancing system performance, boosting memory, cleaning junk, boosting the browser, and scheduling scans — if these functions exist, then they’re only available if you buy a paid version, not the one that you actually download.

Adware can be used to recommend PC Regcleaners, too. A lot of PUPs use illegitimate advertising networks to spread to (infect) more computers. Adware can open pop-up windows that prompt you to download PC Regcleaners or any other software, and these pop-ups sometimes have no obvious way to dismiss them, making people feel like they have no choice but to install the malware. And then, if you’re disappointed by how useless PC Regcleaners is, you uninstall it, it might not go away peacefully — I had to uninstall it twice — and this indicates a more serious virus being present on your system.

pc regcleaners trojan

What it does

PC Regcleaners claimed to be able to boost a computer’s performance with half a dozen different functions, yet, none of them are available when using the app. And I’m not saying that any of these advertised features would have been useful or legitimate. PC Regcleaners essentially claims to speed up your PC by deleting temporary and junk files, which can be done without any third-party software, as Windows has already developed tools for that — Storage sense and Disk Cleanup.

Once you start PC Regcleaners, after clicking the “Scan” button the first time it doesn’t do anything other than have Windows ask you if you allow it to make changes to your computer. Oh, and a few epizyhost.exe processes start in the background, originating from the PC Regcleaners’ “background” folder.

PC Regcleaners is performing click fraud in the background while PC Regcleaners is scanning your registry. Clickers use the infected computer to stealthily click on ads online to cheat money out of advertisers. Advertising networks are constantly battling it, and fraudsters are constantly inventing new ways to cheat them. PC Regcleaners is using your computer’s resources to perform click fraud, which is why it’s classified as a Clicker, and the malicious software infiltrates a system secretly, without the user’s knowledge (you think you’re installing a system optimizer, but have no idea about the Clicker that comes with it), which is why PC Regcleaners is a Trojan.

As more evidence of the maliciousness of PC Regcleaners, here are the VirusTotal scan results: they’re pretty bad for both the PC Regcleaners installation file and the epizyhost.exe file.

How to remove PC Regcleaners

Seeing as many antivirus programs recognize PC Regcleaners as a virus, an up-to-date security program would warn you to not install it. It’s a good idea to take these warnings seriously and check what they mean.

You can remove PC Regcleaners manually, though it might not successfully uninstall at first, it’s just important to monitor the files and make sure to remove any leftovers. You could also use an antivirus program like Spyhunter to look for PC Regcleaner files and other malware on your system. Some Trojans can be very well hidden and are tricky to remove, and if it was adware that caused you to install PC Regcleaners, it should be removed, too.

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How to remove PC Regcleaners using Windows Control Panel

Many hijackers and adware like PC Regcleaners install some of their components as regular Windows programs as well as additional software. This part of malware can be uninstalled from the Control Panel. To access it, do the following.
  • Start→Control Panel (older Windows) or press Windows Key→Search and enter Control Panel and then press Enter (Windows 8, Windows 10). Open Control Panel by searching for it in the Start menu.
  • Choose Uninstall Program (if you don't see it, click in the upper right next to "View by" and select Category). In Control Panel, select Uninstall a program.
  • Go through the list of programs and select entries related to PC Regcleaners . You can click on "Name" or "Installed On" to reorder your programs and make PC Regcleaners easier to find. Find the program that you need to uninstall.
  • Click the Uninstall button. If you're asked if you really want to remove the program, click Yes. Click the Uninstall button after selecting the program to uninstall. Then click Yes.
  • In many cases anti-malware programs are better at detecting related parasites, thus I recommend installing Spyhunter to identify other programs that might be a part of this infection. Spyhunter marking a program and its components as low-threat malware.
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