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Head-to-head · Ransomware Decryption Tools

Avast Decryption Tools vs Bitdefender REvil/Sodinokibi Decryption Tool

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Avast Decryption Tools #1 in Ransomware Decryption Tools 9.3/10 Free plan Free plan✓ 0 of 2 features Visit Avast
Bitdefender REvil/Sodinokibi Decryption Tool #8 in Ransomware Decryption Tools 8.4/10 Free plan Free plan✓ 0 of 2 features Visit Bitdefender

Avast Decryption Tools leads on 0 checks, Bitdefender REvil/Sodinokibi Decryption Tool on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAvast Decryption Tools · 9.3/10
  • Free planboth

Avast Decryption Tools scores higher on our rubric for ransomware decryption tools: 9.3 against 8.4 out of 10; our editors rank them #1 and #8.

Avast Decryption Tools is the better fit for windows users checking for a listed ransomware strain. Bitdefender REvil/Sodinokibi Decryption Tool is the better fit for recovering files from REvil or Sodinokibi.

  • Avast Decryption Tools fits best

    Windows users checking for a listed ransomware strain

  • Bitdefender REvil/Sodinokibi Decryption Tool fits best

    Recovering files from REvil or Sodinokibi

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Side by side

Feature Avast Decryption Tools 9.3/10 Visit ↗ Bitdefender REvil/Sodinokibi Decryption Tool 8.4/10 Visit ↗
At a glance
Editor score 9.3 8.4
Ranking #1 in Ransomware Decryption Tools #8 in Ransomware Decryption Tools
Best for Windows users checking for a listed ransomware strain Recovering files from REvil or Sodinokibi
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Features Avast Decryption Tools 0/2 · Bitdefender REvil/Sodinokibi Decryption Tool 0/2
Offline use Not checked yet Not checked yet
Command-line operation Not checked yet Not checked yet
Specs
Supported strains AES_NI, Alcatraz Locker, Apocalypse, AtomSilo, LockFile, Babuk, BadBlock, Bart, BigBobRoss, BTCWare, Crypt888, CryptoMix (Offline), CrySiS, EncrypTile, FindZip, Fonix, GandCrab, Globe, HermeticRansom, HiddenTear, Jigsaw, LambdaLocker, Legion, NoobCrypt, Prometheus, Stampado, SZFLocker, TargetCompany, TeslaCrypt, Troldesh / Shade, XData REvil; Sodinokibi
Recovery method Decryptor Decryptor
Supported operating systems Windows Windows
Our review
Pros
  • Lists strain names alongside file-extension and ransom-note clues
  • Covers both AtomSilo and LockFile variants with one decryptor
  • CryptoMix tool can decrypt files encrypted with an offline key
  • Scans an entire system or a user-selected folder
  • Can back up files before decryption
  • Logs the decryption process and can overwrite clean files
Cons
  • Decryptors work only for selected ransomware strains and variants
  • CryptoMix support is limited to files encrypted with an offline key
  • Mac users need an emulation layer such as WINE or CrossOver
  • Coverage is limited to REvil/Sodinokibi
  • Applies to REvil attacks before July 13, 2021
  • Windows-only utility
Our verdict

Avast Decryption Tools is a collection of free downloadable utilities for recovering files encrypted by selected ransomware strains. It is suited to Windows users who can identify or investigate a possible match from Avast's…

Read the review →

Bitdefender REvil/Sodinokibi Decryption Tool is a free Windows utility for people trying to recover files affected by REvil or Sodinokibi ransomware. It runs on the affected computer and offers both a whole-system scan and a scan of a…

Read the review →
  1. Avast Decryption ToolsRansomware Decryption Tools 9.3Free plan
  2. Bitdefender REvil/Sodinokibi Decryption ToolRansomware Decryption Tools 8.4Free plan

Strengths and trade-offs

  • Avast Decryption Tools — where it wins

    • Lists strain names alongside file-extension and ransom-note clues
    • Covers both AtomSilo and LockFile variants with one decryptor
    • CryptoMix tool can decrypt files encrypted with an offline key

    Where it doesn't

    • Decryptors work only for selected ransomware strains and variants
    • CryptoMix support is limited to files encrypted with an offline key
    • Mac users need an emulation layer such as WINE or CrossOver

  • Bitdefender REvil/Sodinokibi Decryption Tool — where it wins

    • Scans an entire system or a user-selected folder
    • Can back up files before decryption
    • Logs the decryption process and can overwrite clean files

    Where it doesn't

    • Coverage is limited to REvil/Sodinokibi
    • Applies to REvil attacks before July 13, 2021
    • Windows-only utility
  • Avast Decryption Tools9.3/10 · Free plan

    A free collection of strain-specific Windows tools, with coverage limited to supported variants.

    Visit AvastFull verdict →
  • Bitdefender REvil/Sodinokibi Decryption Tool8.4/10 · Free plan

    A focused, free decryptor for eligible REvil/Sodinokibi attacks on Windows.

    Visit BitdefenderFull verdict →

More comparisons

All ransomware decryption tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update