Categories: RansomTrojan

Trojan-Ransom.Win32.Blocker.ibsr removal tips

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

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Tatar
  • Uses Windows utilities for basic functionality
  • Detects Avast Antivirus through the presence of a library
  • Detects Sandboxie through the presence of a library
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Creates a slightly modified copy of itself
  • Anomalous binary characteristics

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


File Info:

crc32: D6896A21md5: 2a43ce7c6be11a771de52661fed882bbname: 2A43CE7C6BE11A771DE52661FED882BB.mlwsha1: d203a7ffc22917c3ce5bbc5dd7f0a437b8a359afsha256: d751c09ec7ca2af67ee1e8312a01b7f9c7733d5aa2f68ef12d68c5b1a5edef20sha512: fdc4b636be3ff1c9c5d01249d9739070455500736360beef9caff835e57e267e3c35de96053364aa7c67604b5301438640062e41b8e90570f2534950b363e2cfssdeep: 24576:zra8UjUY82v5HNV4NA3asjCAYvUtfpNmD:zra8UjUY82v5HNV4NA3akCAYvUtfpNmtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0LegalCopyright: valiseri xe9choues 2010InternalName: affecte contreboFileVersion: 8.05.0005CompanyName: gouverner pxe9chonsLegalTrademarks: gentera decimeraProductName: indxe9pendants flxe9trieProductVersion: 8.05.0005FileDescription: xe9tendions racolages renchxe9risseOriginalFilename: affecte contrebo.exe

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

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 003d92281 )
Elastic malicious (high confidence)
DrWeb BackDoor.Tordev.8
Cynet Malicious (score: 100)
ALYac Gen:Heur.PonyStealer.MLT.1
Cylance Unsafe
Zillya Trojan.Injector.Win32.140049
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Blocker.0e228b8b
K7GW Trojan ( 003d92281 )
Cybereason malicious.c6be11
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.VZA
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Packed.Nlsx-6883103-0
Kaspersky Trojan-Ransom.Win32.Blocker.ibsr
BitDefender Gen:Heur.PonyStealer.MLT.1
NANO-Antivirus Trojan.Win32.Blocker.fqtoea
ViRobot Trojan.Win32.A.VBKrypt.1257472.M
MicroWorld-eScan Gen:Heur.PonyStealer.MLT.1
Tencent Malware.Win32.Gencirc.10cdaf61
Ad-Aware Gen:Heur.PonyStealer.MLT.1
Sophos Mal/Generic-S
Comodo Malware@#1nfdhjhifjw22
BitDefenderTheta Gen:NN.ZevbaF.34142.mn0@a8krh!aG
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.tt
FireEye Generic.mg.2a43ce7c6be11a77
Emsisoft Gen:Heur.PonyStealer.MLT.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.nrt
Avira TR/Dropper.VB.Gen8
Antiy-AVL Trojan/Generic.ASMalwS.C9706
Microsoft Trojan:Win32/Occamy.C
GData Gen:Heur.PonyStealer.MLT.1
Acronis suspicious
McAfee GenericRXAA-AA!2A43CE7C6BE1
MAX malware (ai score=94)
VBA32 Trojan.VBKrypt
Panda Generic Malware
Yandex Trojan.GenAsa!nKErMfSVR5U
Ikarus Trojan.Win32.Injector
MaxSecure Trojan.Malware.4510684.susgen
Fortinet W32/VB.QMS!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

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

  • 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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