Ryuk - cc4a0b4080844e20fb9535679f7b09a3e2449729 [cc4a0b40]

Cryptographic Identifiers

Malware Family: Ryuk

Ryuk, Wizard Spider ile ilişkilidir.

Threat Indicators (IOC)

• SHA256: cc4a0b4080844e20fb9535679f7b09a3e2449729ce1815d1e5a64272b0225465
• MD5: 1e181424e3f2cc4a93f3e4a6492b620a

System Cleanup Guide

1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
2. Do not pay the ransom — there is no guarantee your files will be restored
3. Quarantine the affected drives
4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
5. Try available decryptor tools (the NoMoreRansom project)
6. Yetkililere ihbarda bulunun
7. Temiz bir yedekten kurtarın

YARA Rule Hints

rule Ryuk_SHA256 {
    meta:
        description = "Ryuk sample: cc4a0b4080844e20"
        threat_level = "critical"
        first_seen = "2021-08-31"
    condition:
        hash.sha256(0, filesize) == "cc4a0b4080844e20fb9535679f7b09a3e2449729ce1815d1e5a64272b0225465"
}