GandCrab-4 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
Ransomware Family
GandCrab-4
First Seen
July 1, 2018
How GandCrab-4 Ransomware Works
File Encryption Patterns
GandCrab-4 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..KRAB
Ransom Note and Payment Demands
After encrypting files, GandCrab-4 displays ransom notes demanding payment for file recovery:
fileKRAB-DECRYPT.txt
Ransom message:
notes/KRAB-DECRYPT.txt
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with GandCrab-4 ransomware:
Crack_Ghost_Mouse_Auto_Clicker.exe
GandCrab-v4.exe
1.pdf
1.exe
Gandcrab4 (2).exe
application.exe
Q79IB0PW.exe
YPV4TB4Y.exe
myfile.exe
psy.exe
UJ7KDMOH.exe
U8PRLIKT.exe
G10NgAkT
not_a_virus.dll
new.exe
new.bin.exe
grancrab.exe
myfile.exe
Elastio Can Help You
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This GandCrab-4 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like GandCrab-4.