# bitpylock Ransomware – Complete Defense & Recovery Reference Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: All encrypted files are given the extension “.bitpylock”. There is NO preceding dot, i.e., document.docx becomes document.docx.bitpylock. Renaming Convention: Uses in-place renaming—simply appends the single extension to the original file name, so folder structures…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: bitpy Renaming Convention: When BitPy strikes, it does NOT change the file name itself—only the final extension becomes “.bitpy”. Example: Financial_Q1_2024.xlsx → Financial_Q1_2024.xlsx.bitpy 2. Detection & Outbreak Timeline Approximate Start Date/Period: Tooling evidence and first public submissions to MalwareBazaar ID this strain as…

BitPaymer (also spelled BitPaymer! Pop-ups, /tmp) Technical & Recovery Guide Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .locked Renaming Convention: Encrypted files keep their full original name but receive a hexadecimal appendage followed by .locked. Example: Project_Q1_Summary.docx → Project_Q1_Summary.docx.C3F8A7B9.locked The 8-character hex string appears to be a per-file token generated…

Technical Breakdown: BitKangoroo Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: .bitkangoroo Renaming Convention: Original file document.xlsx is renamed to document.xlsx.bitkangoroo, with the appended “.bitkangoroo” string added in UPPERCASE inside the ransom splash screen (“.BITKANGOROO”), although the physical extension on disk remains lowercase. 2. Detection & Outbreak Timeline First Detected: 16 May…

Ransomware Profile – .bitenc (“MedusaLocker / Bitenc variant”) Technical Breakdown 1. File Extension & Renaming Patterns File extension used by Bitenc: every encrypted file APPENDS the suffix “.bitenc”. Example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.bitenc Renaming convention: no leading prefix, no e-mail addresses, no random hex strings. The ransomware simply appends “.bitenc”, leaving the original filename otherwise intact.…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: BitCryptor appends .bitcryptor (case-insensitive) to every encrypted file. Renaming Convention: The malware preserves the original base name and all nested directories, simply inserting .bitcryptor before the true extension. Example: Contracts\Quarter1\Annual_Report.xlsx → Contracts\Quarter1\Annual_Report.xlsx.bitcryptor 2. Detection & Outbreak Timeline Approximate Start Date/Period: First samples were…

Technical Breakdown: bitcrypt 2.0 (.bitcrypt2) 1. File Extension & Renaming Patterns Confirmation of File Extension: All encrypted files receive the suffix .bitcrypt2 appended after the original file extension. Example: report.xlsx becomes report.xlsx.bitcrypt2. Renaming Convention: Files are not renamed in any other way—names, paths, and timestamps remain unchanged once encrypted. Victims often report that only the…

Technical Breakdown: File Extension & Renaming Patterns • Confirmation of File Extension: Files encrypted by Bitcrypt receive the secondary extension “.bitcrypt” (e.g., budget.xlsx.bitcrypt). • Renaming Convention: When Bitcrypt encrypts a file it keeps the original filename and primary extension intact and merely appends .bitcrypt. The overall path is otherwise unchanged, which can help users quickly…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by BitCore receive the literal .bitcore extension appended after the original file extension (e.g., report.docx becomes report.docx.bitcore). Renaming Convention: The ransomware preserves the original file name and internal folder structure but simply tags .bitcore at the end. No randomised prefix/suffix is…

BitConnect Ransomware Protection & Recovery Guide (Compiled from incident-response data collected by CERTs, AV vendors and affected parties worldwide) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .bitconnect (Some earlier samples also append .bitconnect-2 or .btc_sub in isolated campaigns, but 92 % of public submissions use the plain .bitconnect suffix.) Renaming…