Ransomware Briefing – EDUCRYPT (“.encrypted” or “.encrypted4”) Last updated: May 2024 | Threat level: MODERATE (declining) 1. Technical Breakdown 1.1 File Extension & Renaming Patterns Confirmed extension(s): .encrypted (early builds) .encrypted4 (current builds) Renaming convention: Original filename → <original-name>.encrypted (or .encrypted4) Example: Annual_Salaries.xlsx becomes Annual_Salaries.xlsx.encrypted4 1.2 Detection & Outbreak Timeline First public submission: January 2024…

Ransomware Profile – Extension “.edhst” TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file receives the appendix “.edhst” (lowercase). Example: Invoice_May.xlsx → Invoice_May.xlsx.edhst Renaming Convention: The malware does NOT touch the original file-name body; it merely appends the extra extension. (Some earlier screenshots showed a secondary pattern “.id-[].[contact-email].edhst” –…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: EdgeLocker appends the fixed suffix “.edgelocker” (lower-case, no white-space) to every encrypted file. Example: Project.docx → Project.docx.edgelocker. – The ransomware also zero-wipes the original file name’s first 32 bytes in the MFT/FAT directory entry so directory-listing utilities may show “corrupted” names instead of…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware commonly referred to as “EdgeLocker” appends the static, lower-case extension .edgel to every file it encrypts (e.g. Q4-Report.xlsx → Q4-Report.xlsx.edgel). Renaming Convention: No prefix or random hex is added; only the extra 6-byte extension. Inside each folder the malware also drops…

Ransomware Profile: eddldzor Community advisory compiled 2024-05-28 – treat as TLP:WHITE, redistribute freely. TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Confirmed extension appended: “.eddldzor” (lower-case, no dot prefix inside the name). Renaming convention: <original_file_name>.<original_extension>.<8-random-lowercase-letters>+eddldzor Example: Quarterly-Report.xlsx → Quarterly-Report.xlsx.pqwzmhkaeddldzor No changes to the first 8 MB of each file (used for bluff “proof-of-decrypt”), remainder is…

Ransomware Briefing: “.ecure” Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .ecure (no leading dot in logs – simply “ecure”). Renaming Convention: Original name: Project_Q3.xlsx After encryption: Project_Q3.xlsx.ecure Directory-level marker: README_TO_RESTORE.TXT is dropped in every affected folder. File internals: Header is overwritten with 12-byte magic ECURE! followed by 4-byte version stamp…

ECRP Ransomware – Community Response Guide (File extension: .ecrp) Technical Breakdown 1. File Extension & Renaming Patterns Exact extension appended: .ecrp (lower-case, 4 characters, no space or e-mail address). Renaming convention: [original_name].[original_ext].id-[ VictimID ].[ attacker-email ].ecrp Example: Budget_2024.xlsx → Budget_2024.xlsx.id-A87D291C.[[email protected]].ecrp (the embedded e-mail and ID change per campaign) Note: Some 2023-24 samples drop the e-mail…

Ransomware Resource for the “eclr*” Extension (The star is a wildcard; victims usually see something like “.eclrR3d”, “.eclr2023!”, “.eclr_locked”, etc.) Technical Breakdown 1. File Extension & Renaming Patterns Confirmed extension seen in the wild: .eclr (sometimes followed by a random 3-byte campaign ID or the exclamation mark “!”, e.g. photo.jpg.eclr, report.xlsx.eclrR5v, db.bak.eclr!) Renaming convention: Plain…

Ransomware Brief – “.eclr” (Everest / “EverestRansomware”) Technical Breakdown 1. File Extension & Renaming Patterns Exact marker: every encrypted file receives the suffix .eclr appended after the original extension (example: Report.xlsx.eclr, system.dll.eclr). Renaming is atomic – no filename prefix, no random middle section, no obfuscation of the long path; only “name + ext + .eclr”.…

TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Confirmation of File Extension: .encrypt Renaming Convention: EchoRix (also written “ech0raix”) does NOT change the original file name or append a second extension. Instead, each encrypted file is overwritten in-place and keeps its original name. The only visible hint is the loss-of-access icon (generic blank sheet) and…