Update Date
10/17/2023

Class: Trojan-Ransom

This type of Trojan modifies data on the victim computer so that the victim can no longer use the data, or it prevents the computer from running correctly. Once the data has been “taken hostage” (blocked or encrypted), the user will receive a ransom demand. The ransom demand tells the victim to send the malicious user money; on receipt of this, the cyber criminal will send a program to the victim to restore the data or restore the computer’s performance.

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Platform: Win32

Win32 is an API on Windows NT-based operating systems (Windows XP, Windows 7, etc.) that supports execution of 32-bit applications. One of the most widespread programming platforms in the world.

Family: Encoder

No family description

Examples

CC352DF50CB6D08309AFD3B47ACD663B
C093FFDBB3AF394CDFF706C253CE3FCA
E4C3CE592D9C46302750E22433942C10
4CF7CAAFF0B3F195497455F26C3A6632
0A4234254634C1834AC636F1A43D6597

Tactics and Techniques: Mitre*

TA0006
Credential Access

Adversaries may search for private key certificate files on compromised systems for insecurely stored credentials. Private cryptographic keys and certificates are used for authentication, encryption/decryption, and digital signatures. Common key and certificate file extensions include: .key, .pgp, .gpg, .ppk., .p12, .pem, .pfx, .cer, .p7b, .asc.


T1552.004
Private Keys

Adversaries may search for private key certificate files on compromised systems for insecurely stored credentials. Private cryptographic keys and certificates are used for authentication, encryption/decryption, and digital signatures. Common key and certificate file extensions include: .key, .pgp, .gpg, .ppk., .p12, .pem, .pfx, .cer, .p7b, .asc.


* © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

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