Ransom Trojan

Trojan-Ransom.Win32.Blocker.wwaa removal

Malware Removal

The Trojan-Ransom.Win32.Blocker.wwaa 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.wwaa 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.wwaa?


File Info:

name: EDC77B91DA065DC7FF38.mlw
path: /opt/CAPEv2/storage/binaries/918855ddaeea57d73db501d7975733841382482a8b91d03e9db52b23d65cf7ab
crc32: 5075F9E1
md5: edc77b91da065dc7ff38f64beda58f11
sha1: 1e705129227160b73fea0ce5e8f2d74f87a5fa06
sha256: 918855ddaeea57d73db501d7975733841382482a8b91d03e9db52b23d65cf7ab
sha512: e46e349ae9b6e4b881a90dc5eb6edc2ebed53208b96909fa5602ef5232092dc14b005e91667d190a6c99886f93d19299d53d1fb7c07f64d9ded41cb5735c8716
ssdeep: 196608:0zazhzazg7Dezazhzazg7Dezazhzazg7Dezazhzazg7DR:nqg7pqg7pqg7pqg7l
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16E86F13AF6D08437D1236E7DCC5B9794A835BEE02D28508A7BE91D4C8F39B9135262D3
sha3_384: 6b1ac3b954fb7afb33d063b678ab03152ba174f785a7c960b4c96c1025b3216485f45fce95dc383c4db03ef92628a7c3
ep_bytes: 55545d906a2890596a006a004975f953
timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

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

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader6.7779
MicroWorld-eScanGen:Variant.Symmi.34741
FireEyeGeneric.mg.edc77b91da065dc7
CAT-QuickHealTrojan.WacatacPMF.S16539689
ALYacGen:Variant.Symmi.34741
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00548e051 )
AlibabaRansom:Win32/Blocker.5bd
K7GWTrojan ( 00548e051 )
CrowdStrikewin/malicious_confidence_90% (W)
BitDefenderThetaAI:Packer.9896AD8521
CyrenW32/Injector.AOF.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.AHHO
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Trojan.Mbrlock-9779767-0
KasperskyTrojan-Ransom.Win32.Blocker.wwaa
BitDefenderGen:Variant.Symmi.34741
NANO-AntivirusTrojan.Win32.Dapato.bsjzfg
AvastWin32:MBRlock-DV [Trj]
TencentTrojan.Win32.Blocker.zg
Ad-AwareGen:Variant.Symmi.34741
TACHYONBackdoor/W32.Androm.8316928
SophosML/PE-A + Troj/Agent-BFYB
ComodoTrojWare.Win32.Injector.HO@82j6jo
TrendMicroTROJ_GEN.R002C0DAR22
McAfee-GW-EditionBehavesLike.Win32.Generic.wc
EmsisoftGen:Variant.Symmi.34741 (B)
IkarusTrojan-Ransom.Blocker
GDataWin32.Trojan.PSE.61HB7B
JiangminTrojan.Blocker.tzz
AviraTR/Crypt.XPACK.Gen
Antiy-AVLGrayWare/Win32.Kryptik.ahho
ArcabitTrojan.Symmi.D87B5
ViRobotTrojan.Win32.Z.Injector.8316928.GJN
ZoneAlarmTrojan-Ransom.Win32.Blocker.wwaa
MicrosoftTrojan:Win32/Injector.INK!MTB
CynetMalicious (score: 100)
AhnLab-V3Dropper/Win32.Dapato.R83155
Acronissuspicious
McAfeeGenericRXIP-BJ!EDC77B91DA06
MAXmalware (ai score=81)
VBA32Trojan.Downloader
MalwarebytesTrojan.Dropper
TrendMicro-HouseCallTROJ_GEN.R002C0DAR22
RisingTrojan.Injector!1.DA56 (CLOUD)
YandexTrojan.Injector!fDK0FiXf8Po
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_58%
FortinetW32/Injector.AHHO!tr
AVGWin32:MBRlock-DV [Trj]
PandaTrj/Genetic.gen
MaxSecureTrojan.Malware.137083641.susgen

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

Trojan-Ransom.Win32.Blocker.wwaa removal tool
  • 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.

About the author

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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