Categories: RansomTrojan

How to remove “Trojan-Ransom.Win32.Blocker.rwwk”?

The Trojan-Ransom.Win32.Blocker.rwwk is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Trojan-Ransom.Win32.Blocker.rwwk virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Sniffs keystrokes
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Harvests cookies for information gathering
  • Anomalous binary characteristics

Related domains:

sunray1975.zapto.org

How to determine Trojan-Ransom.Win32.Blocker.rwwk?


File Info:

name: 3CD1857673FBC3B364BA.mlwpath: /opt/CAPEv2/storage/binaries/1561689724e2def0b94cf21713ddbeb357b9afd937a5705cb9be49a7ca849450crc32: F47C44DDmd5: 3cd1857673fbc3b364bae192ed1224fcsha1: bad5574845c0fb530e74391b2f086acdac850973sha256: 1561689724e2def0b94cf21713ddbeb357b9afd937a5705cb9be49a7ca849450sha512: 76b8d7698f37fd2903529490cc740ae1d90a5767bf8164153fa2aaef75f03b214ec06fd1730383b04c75d486769a7bdcefaf3b544e37ce06cb7f625fbe058290ssdeep: 196608:0pazg7DS8pazg7DS8pazg7DS8pazg7DSv:tg7uVg7uVg7uVg7uvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18A86137AF1908437D1236E7CCC5BA754A825BEE02D28608A7BEC1D4DDF39B8135262D7sha3_384: c891e89e07f96163b3d7def53f22445d644024549b34bb4d13c0ff7e8c705545582fba872aaa4f9886cac7c0f2a69ddbep_bytes: 55545d906a2890596a006a004975f953timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Blocker.rwwk also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Symmi.34741
FireEye Generic.mg.3cd1857673fbc3b3
CAT-QuickHeal Trojan.WacatacPMF.S16539689
McAfee GenericRXIP-BJ!3CD1857673FB
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00548e051 )
Alibaba Trojan:Win32/Starter.ali1001008
K7GW Trojan ( 00548e051 )
Cybereason malicious.673fbc
BitDefenderTheta AI:Packer.9896AD8521
Cyren W32/Injector.OZVT-2500
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.AHHO
TrendMicro-HouseCall TROJ_GEN.R002C0DKE21
Paloalto generic.ml
ClamAV Win.Trojan.Mbrlock-9779766-0
Kaspersky Trojan-Ransom.Win32.Blocker.rwwk
BitDefender Gen:Variant.Symmi.34741
NANO-Antivirus Trojan.Win32.Dapato.bsjzfg
Avast Win32:MBRlock-DV [Trj]
Tencent Trojan.Win32.Blocker.zg
Ad-Aware Gen:Variant.Symmi.34741
TACHYON Backdoor/W32.Androm.8316928
Sophos ML/PE-A + Troj/Agent-BFYB
Comodo TrojWare.Win32.Injector.HO@82j6jo
DrWeb Trojan.DownLoader6.7779
TrendMicro TROJ_GEN.R002C0DKE21
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
SentinelOne Static AI – Malicious PE
Emsisoft Gen:Variant.Symmi.34741 (B)
APEX Malicious
GData Win32.Trojan.PSE.13Q4XMA
Jiangmin Trojan.Blocker.pkq
Avira DR/Delphi.Gen
Antiy-AVL Trojan/Generic.ASMalwS.30ED84C
ViRobot Trojan.Win32.Z.Injector.8316928.YP
Microsoft Trojan:Win32/Injector.INK!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win32.Dapato.R83155
Acronis suspicious
VBA32 Trojan.Downloader
ALYac Gen:Variant.Symmi.34741
MAX malware (ai score=85)
Malwarebytes Trojan.Crypt
Rising Trojan.Injector!1.DA56 (CLASSIC)
Yandex Trojan.Injector!nfedw5apY3U
Ikarus Trojan-Ransom.Blocker
Fortinet W32/Injector.AHHO!tr
AVG Win32:MBRlock-DV [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan-Ransom.Win32.Blocker.rwwk?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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