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Ransomware Research
MicroCop Ransomware
MicroCop is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: MirCop, Crypt888, MicroCop NextGen.
Quick Facts
- Ransomware Family
- MicroCop
- First Seen
- June 1, 2016
- Known Aliases
- MirCopCrypt888MicroCop NextGen
How MicroCop Ransomware Works
Targeted Files
For some group of files adds prefix, for other suffixes
File Encryption Patterns
MicroCop modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bhacks
Prefixes added to encrypted files:
Lock.
Ransom Note and Payment Demands
After encrypting files, MicroCop displays ransom notes demanding payment for file recovery:
200 dollars.txt
Ransom message:
notes/200 dollars.txt
Note locations:
Temp
README.txt
Ransom message:
notes/README.txt
Note locations:
Desktop
Ransom message:
notes/wl.jpg
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with MicroCop ransomware:
05_putty.exe_
mircop.exe.dontrun
putty.exe
customs แบบฟอร์มกรมศุลกากร.doc
y.exe
50eae30fd5bd7a0fbbaf64892bdda0bc_HsZGqoEWFIrVrQxS.exE
x.exe
c.exe
05daaa17505f3d97_aut5AE1.tmp
tesu
aut1.tmp
ClickMe.exe
CRYPT888 RASOMWARE NEW VERSION.BIN
stub.exe
alien ransomware builder cracked free.exe
Document.pdf.exe
myfile.exe
Angry Lola Loud Ran$omware.exe
KWFLPC.bin
Elastio Can Help You
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About This Analysis
This MicroCop 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 MicroCop.
Last updated: July 30, 2025