22793.rar May 2026

The file is an ACE archive renamed with a .rar extension to trick the user.

WinRAR failed to properly sanitize these paths, allowing the file to be written outside the intended extraction folder. ⚠️ Security Implications

For years, this was one of the most "reliable" ways for hackers to infect systems because: Users generally trust .rar files. 22793.rar

The flaw existed in unacev2.dll , a third-party library WinRAR used to unpack files. Path Traversal: Attackers could bypass folder restrictions.

The malware would run automatically the next time the user logged in. 📂 Technical Breakdown The file is an ACE archive renamed with a

No complex exploit was needed; the Windows Startup folder handled the execution.

The file is a well-known proof-of-concept (PoC) archive used to demonstrate a critical vulnerability in WinRAR (tracked as CVE-2018-20250 ). The flaw existed in unacev2

Files could be dropped into the Windows Startup folder .