Categories: RansomTrojan

Trojan-Ransom.Win32.Blocker.wyyl removal instruction

The Trojan-Ransom.Win32.Blocker.wyyl 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.wyyl virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • 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
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics

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


File Info:

name: CC6B5D351043D0D51FC6.mlwpath: /opt/CAPEv2/storage/binaries/d4925edcd652c1ca78cd57c3047d95e6e2705552d4a9c6f15b49826af9563966crc32: FAEFF19Cmd5: cc6b5d351043d0d51fc66f3d65b96554sha1: 997987a3e5eab3ced61b0859e572f74e6f153e69sha256: d4925edcd652c1ca78cd57c3047d95e6e2705552d4a9c6f15b49826af9563966sha512: adf77115a4cf1e60b5aa18f519c64115838696973917bcd0c4efd6a7af1494cd9101f6fa308eb978a51f9cd2fabe22f179f9b42b0e08a50a3356b1f82736a726ssdeep: 393216:Rog7fog7fog7fog7fog7fog7fog7fog7l:zBBBBBBBRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BFF6F13AF6D08437D1236E7DCC5B9794A835BEE02D28508A7BE91D4C8F39B9135262D3sha3_384: d89e992feb02d44d535f3888c45e42ca6e7b43a7c649ea2d96fa448494bc45968d093df55d2f2e0f5e4c1a61da6fb33eep_bytes: 55545d906a2890596a006a004975f953timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

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

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Androm.m!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader6.7779
MicroWorld-eScan Gen:Variant.Symmi.34741
FireEye Generic.mg.cc6b5d351043d0d5
ALYac Gen:Variant.Symmi.34741
Cylance Unsafe
Sangfor Virus.Win32.Save.a
K7AntiVirus Trojan ( 00548e051 )
Alibaba Trojan:Win32/Starter.ali1001008
K7GW Trojan ( 00548e051 )
Cybereason malicious.51043d
BitDefenderTheta Gen:NN.ZelphiF.34212.@JZ@aCG1cho
Cyren W32/Injector.AOF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.AHHO
TrendMicro-HouseCall TROJ_GEN.R002C0DAV22
Paloalto generic.ml
ClamAV Win.Trojan.Mbrlock-9779767-0
Kaspersky Trojan-Ransom.Win32.Blocker.wyyl
BitDefender Gen:Variant.Symmi.34741
NANO-Antivirus Trojan.Win32.Dapato.bsjzfg
Tencent Trojan.Win32.Blocker.zg
Ad-Aware Gen:Variant.Symmi.34741
Comodo TrojWare.Win32.Injector.HO@82j6jo
Zillya Trojan.Blocker.Win32.102407
TrendMicro TROJ_GEN.R002C0DAV22
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
SentinelOne Static AI – Malicious PE
Emsisoft Gen:Variant.Symmi.34741 (B)
Ikarus Trojan-Ransom.Blocker
Jiangmin Trojan.Blocker.tzz
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan/Generic.ASBOL.C5EF
Gridinsoft Ransom.Win32.Wacatac.sa
Microsoft Trojan:Win32/Injector.INK!MTB
ZoneAlarm Trojan-Ransom.Win32.Blocker.wyyl
GData Win32.Trojan.PSE.JL895S
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win32.Dapato.R83155
Acronis suspicious
McAfee GenericRXIP-BJ!CC6B5D351043
TACHYON Backdoor/W32.Androm.16633856
VBA32 Trojan.Downloader
Malwarebytes Trojan.Dropper
Panda Trj/CI.A
APEX Malicious
Rising Trojan.Injector!1.DA56 (CLOUD)
Yandex Trojan.Injector!fDK0FiXf8Po
MAX malware (ai score=86)
MaxSecure Trojan.Malware.137168614.susgen
Fortinet W32/Injector.AHHO!tr
AVG Win32:MBRlock-DV [Trj]
Avast Win32:MBRlock-DV [Trj]
CrowdStrike win/malicious_confidence_90% (W)

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

  • 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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