Overview
What is Petya Immunizer?
Petya Immunizer : Make sure your computer will not fall victim to Petya ransomware by turning to this lightweight application that prevents infections by simulating them
In depth
A closer look at Petya Immunizer
The whole world was taken aback in 2016 by the emergence of the Petya ransomware, which has also made its way to computers under the moniker of Golden Eye.Managing to cause record damage, the campaign this piece of malware triggered has managed to affect not only individual users but also worldwide organizations, with Ukraine being one of the hardest hit countries.Leveraging the EternalBlue exploit, the ransomware makes it impossible to regain access to your files once it has sneaked inside your system, unless you are willing to pay a ransom, that is. Still, there are a series of measures you can take aside from keeping your OS up to date.Petya Immunizer is a lightweight application that claims to offer some degree of protection against the menaces brought about by Petya. You simply need to run its executable so that the program can do its job without any other effort being required on your part.As for precisely how the ransomware fighter manages to ensure you are secure, its developers explain that the app tricks Petya into believing that your PC has already been infected, for which reason it would move on, leaving your device unaffected.Once the operation, which should not take more than a couple of seconds, is complete, a message informs you about the security status of your computer.Nevertheless, pay attention that the developer does not guarantee that the software utility will be able to block future versions of Petya, so it is critical that you never disregard Windows updates.
Requirements
System requirements
Windows 10 64 bit / Windows 10 / Windows 8 / Windows 7 / Windows Vista / Windows XP
Verdict
Should you download Petya Immunizer?
Petya Immunizer runs on
Windows 10/11
and is available under the
Freeware
license
— the installer is 57 KB.
We’ve catalogued it under
Encryption Security.
✓
Verified clean. Every Petya Immunizer build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Petya Immunizer specifications
- Publisher
-
CyberGhost SRL
- Last updated
- May 1, 2026
- Requirements
- Windows 10 64 bit / Windows 10 / Windows 8 / Windows 7 / Windows Vista / Windows XP
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 57 KB
- Price
- Free
- Page views
- 456
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