Home Malware Programs Potentially Unwanted Programs (PUPs) PUP.CRX

PUP.CRX

Posted: November 6, 2013

Threat Metric

Ranking: 4,157
Threat Level: 1/10
Infected PCs: 24,808
First Seen: November 6, 2013
Last Seen: March 10, 2025
OS(es) Affected: Windows

PUP.CRX is a potentially unwanted program (PUP), which may be downloaded from the Internet when a web user downloads freeware. PUP.CRX may result in a variety of issues when it is downloaded and installed on the computer. The PC user may allow downloading of PUP.CRX when he is downloading other free software products from the web, or he may download PUP.CRX inadvertently by not paying enough attention to the installation process. When the computer user downloads any free program from the Internet and does not read the download agreement, he may not be aware of what other potentially unwanted programs may come bundled with the particular free tool he is downloading. Once downloaded and installed, PUP.CRX may run numerous background processes that cause slow downs of the computer. PUP.CRX may display numerous random pop-up adverts on the screen of the PC. PUP.CRX may take over the web browser and result in irritating diversions to advertising websites.

Technical Details

Additional Information

The following URL's were detected:
fmovies.wtf
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