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Ransomware Research
Conti-2 Ransomware
Conti-2 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Conti-3, IOCP, R3ADM3.
Quick Facts
- Ransomware Family
- Conti-2
- First Seen
- September 1, 2020
- Known Aliases
- Conti-3IOCPR3ADM3
How Conti-2 Ransomware Works
File Encryption Patterns
Conti-2 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[A-Z]{5}/
..TCGYX
..QHCGS
..KCWTT
..FEALC
Ransom Note and Payment Demands
After encrypting files, Conti-2 displays ransom notes demanding payment for file recovery:
R3ADM3.txt
Ransom message:
notes/R3ADM3.txt
Note locations:
EveryFolder
readme.txt
Ransom message:
notes/readme.txt
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with Conti-2 ransomware:
XColorPickerXPTest.exe
shortwave.exe
p.exe
locker.exe
RunWinDiff
RunWinDiff.EXE
CustomToolTipDemo.exe
cOzkxIznegrscYUzNiwVGtjnGrMGDzxO_locker.exe
transscroll
transscroll.EXE
FhT9TlmdvBiW2CPAQI6rUP48dGr8LvPqCRY41ySWIP47vQr2fXcUK8rtQrTsHJv1_locker.exe
73bd8c2aa.exe
SelectDialogTest.exe
login.exe
grub55.exe
49670-77078664b4bbfbe25be44004431c1a37.exe
1.exe
tst.rar
cryptor.exe
MOSS.exe
EAGLE.dll
731515.exe
5FE77DB174A5206B5387E2B86255BD008966B44632925351D9B3983438004EB1 2
x86.dll
c.exe
Elastio Can Help You
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About This Analysis
This Conti-2 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 Conti-2.
Last updated: July 30, 2025