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..FEALCRansom Note and Payment Demands
After encrypting files, Conti-2 displays ransom notes demanding payment for file recovery:
R3ADM3.txtRansom message:
notes/R3ADM3.txt
Note locations:
EveryFolderreadme.txtRansom message:
notes/readme.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Conti-2 ransomware:
XColorPickerXPTest.exeshortwave.exep.exelocker.exeRunWinDiffRunWinDiff.EXECustomToolTipDemo.execOzkxIznegrscYUzNiwVGtjnGrMGDzxO_locker.exetransscrolltransscroll.EXEFhT9TlmdvBiW2CPAQI6rUP48dGr8LvPqCRY41ySWIP47vQr2fXcUK8rtQrTsHJv1_locker.exe73bd8c2aa.exeSelectDialogTest.exelogin.exegrub55.exe49670-77078664b4bbfbe25be44004431c1a37.exe1.exetst.rarcryptor.exeMOSS.exeEAGLE.dll731515.exe5FE77DB174A5206B5387E2B86255BD008966B44632925351D9B3983438004EB1 2x86.dllc.exe
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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