GuLoader — justificanteXdeXpago.tar [99d390e1]

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut üzerinden yük indirir.

Threat Indicators (IOC)

• SHA256: 99d390e18fece540c2548bb0800c7a064c7af64bd18ab5e81903d147e9a7e3e1
• MD5: e1b7e222ffbcc98b0107cc4b1bc9dc1f

System Cleanup Guide

1. Disconnect the system from the network — the loader may be downloading more malware
2. Analyze every downloaded payload
3. Inspect all network traffic and cut suspicious connections
4. Run a full antivirus scan
5. Consider reimaging the system

YARA Rule Hints

rule GuLoader_SHA256 {
    meta:
        description = "GuLoader sample: 99d390e18fece540"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "99d390e18fece540c2548bb0800c7a064c7af64bd18ab5e81903d147e9a7e3e1"
}