This application was stopped from running on your network because it has a poor reputation. This application can affect the quality of your computing experience. For example, some potentially unwanted applications can:

• Install additional bundled software
• Modify your homepage
• Modify your search provider
• Perform other actions that you might not have intended

These applications are most commonly software bundlers or installers for applications such as toolbars, adware, or system optimizers. We have observed this application installing software that you might not have intended on your PC.

If you were trying to install an application, you might have downloaded it from a source other than the official product's website.

We usually see this application installed on PCs in the following countries. This list is sorted according to prevalence:

• United States
• Russia
• Brazil
• Spain
• France

This detection is part of our extended Potentially Unwanted Application protection feature.

Windows Defender detects and removes this threat.

This tool generates software keys.

Malware is often installed along with this tool. Microsoft security software finds malware on more than half of the PCs where we detect this tool.

You can read more about Win32/Keygen in Volume 13 of the Security Intelligence Report.

Find out ways that malware can get on your PC.