- Home
- Detectable Ransomware
- CryptoShield 1.0
Ransomware Research
CryptoShield 1.0 Ransomware
CryptoShield 1.0 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- CryptoShield 1.0
- First Seen
- February 1, 2017
How CryptoShield 1.0 Ransomware Works
Targeted Files
Encrypts filenames -> magic.mgc -> ZNTVP.ZTP.CRYPTOSHIELD Biblio.mdb -> OVOYVB.ZQO.CRYPTOSHIELD
File Encryption Patterns
CryptoShield 1.0 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..CRYPTOSHIELD
Ransom Note and Payment Demands
After encrypting files, CryptoShield 1.0 displays ransom notes demanding payment for file recovery:
# RESTORING FILES #.TXT
Ransom message:
notes/# RESTORING FILES #.TXT
Note locations:
EveryFolder
# RESTORING FILES #.HTML
Ransom message:
notes/# RESTORING FILES #.HTML
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with CryptoShield 1.0 ransomware:
winlogon.exe
Windows Winlog
cryptoshield.exe
da98d21ebd555c4b_rada5971.tmp.exe
e71.exe
CryptoShield.exe
test1
ScreenSmarts
2b78c994f2daabfd_rad6411a.tmp.exe
Windows Winlog SoftWare
jquery.exe
SmartScreen.exe
邀请函(请只在虚拟机运行).exe
cs01.exe
Elastio Can Help You
Don't let CryptoShield 1.0 ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This CryptoShield 1.0 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 CryptoShield 1.0.
Last updated: July 30, 2025