Thanks to the experts at Emsisoft the victims of the JSWorm 4.0 ransomware can decrypt their files for free.
Like previous versions of the malware, the JSWorm 4.0 ransomware is also written in C++ and uses a modified version of AES-256 to encrypt files.
The malicious code adds the extension “
"JSWRM 4.0.2 Your files are corrupted!
Identificatorfor files: [redacted] E-mail for contact: firstname.lastname@example.org Backup e-mail for contact :email@example.com Free decryption as guarantee! Before paying you can request free decryption of 3 files. Total size of files must be less than 5MB (non-archived). Files shouldn't contain valuable information (accept only txt\jpg\png). Attention! Don't try to decrypt it manually. Don't rename extension of files. Don't try to write AV companies (they can't help you). "
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