UnregStealer - Batch Script Infection Guard Check

Ibrahim Saud@tektrix

•updated Jun 19, 2026•0•0•1

Identifies cmd.exe executing a batch script named 'vvvv.cmd' which is checking for the presence of the 'u.dat' reinfection guard file in the Public\Documents folder before execution. This behavior is associated with the UnregStealer malware.