: Look for variations of Rar$Scan[Number].bat .

Based on recent security sandbox data, "20882 rar" appears to be a temporary directory string associated with the execution of a malicious archive , likely related to a malware sample analyzed in late March 2026. Summary of Incident

: The malicious activity was documented on a system running under an "admin" user profile within a Microsoft Corporation environment, indicating a target-agnostic or broad-reaching delivery method. Key Indicators of Compromise (IoCs)

: The process was observed reading Internet Explorer security settings , a common tactic used by malware to lower system defenses or prepare for credential theft.

: C:\Users\admin\AppData\Local\Temp\20882\ (or similar Temp subdirectories).

: The analysis shows a file named Rar$Scan19941.bat being launched from the 20882 directory via cmd.exe .

Malware analysis ibso9p0sjp44crzm.7z Malicious activity | ANY.RUN

: WinRAR.exe spawning cmd.exe to run .bat scripts from temporary folders.