Researchers Find Link b/w PrivateLoader and Ruzki Pay-Per-Install Services
Sep 16, 2022
Cybersecurity researchers have exposed new connections between a widely used pay-per-install (PPI) malware service known as PrivateLoader and another PPI platform offered by a cybercriminal actor dubbed ruzki. "The threat actor ruzki (aka les0k, zhigalsz) advertises their PPI service on underground Russian-speaking forums and their Telegram channels under the name ruzki or zhigalsz since at least May 2021," SEKOIA said. The cybersecurity firm said its investigations into the twin services led it to conclude that PrivateLoader is the proprietary loader of the ruzki PPI malware service. PrivateLoader, as the name implies, functions as a C++-based loader to download and deploy additional malicious payloads on infected Windows hosts. It's primarily distributed through SEO-optimized websites that claim to provide cracked software. Although it was first documented earlier this February by Intel471, it's said to have been put to use starting as early as May 2021. S...