Categories: Malware

About “Ursu.320791 (B)” infection

The Ursu.320791 (B) 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 Ursu.320791 (B) virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Executed a process and injected code into it, probably while unpacking
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Ursu.320791 (B)?


File Info:

crc32: B4E0B4A2md5: 669a3fd34208e2a28942c060dcfe38f7name: 669A3FD34208E2A28942C060DCFE38F7.mlwsha1: 2db7d3fa204a7e1323b60225a6e688ad733ec611sha256: 86157e6b623ad1a299ccf6430480816955ebd6e38c70776dfa9d5bedfa3e5145sha512: 28de5b6ebb86e04e0e862eec7671f5b5e8fcc8791378907163f6ef1e3ef1e7ea11b343704bd68db9829ac642ff22676444352784be8010f200f2d766f541cbc6ssdeep: 24576:6jfUEZ+E6BPxUt1KMvzQE9ea2F0WjdENvYHbc9YrAP9KhyeWtq5tiRpFgqXqL6Vm:kR7UPW1KM3ealpSnKaPCS5type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2004-2016 Code::Blocks TeamInternalName: Code::BlocksFileVersion: 16.01.0.0CompanyName: Code::Blocks TeamProductVersion: 16.01.0.0PrivateBuild: LegalTrademarks: All rights reserved.Comments: Cross-platform IDE built around wxWidgets, designed to be extensible and configurable. Licensed under GPL3.ProductName: Code::BlocksSpecialBuild: Build: January 2016FileDescription: Code::Blocks IDEUsers: Unlimited.Support: mandrav at codeblocks.orgOriginalFilename: codeblocks.exeDeveloper: Code::Blocks TeamTranslation: 0x0409 0x04e4

Ursu.320791 (B) also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ursu.320791
FireEye Generic.mg.669a3fd34208e2a2
ALYac Gen:Variant.Ursu.320791
Cylance Unsafe
VIPRE Trojan.Win32.Generic.pak!cobra
K7AntiVirus Trojan ( 700000111 )
BitDefender Gen:Variant.Ursu.320791
K7GW Trojan ( 700000111 )
CrowdStrike win/malicious_confidence_100% (D)
Symantec Trojan.Gen.MBT
APEX Malicious
ClamAV Win.Dropper.XtremeRAT-9233846-0
Kaspersky HEUR:Trojan.Win32.Generic
Ad-Aware Gen:Variant.Ursu.320791
Emsisoft Gen:Variant.Ursu.320791 (B)
F-Secure Heuristic.HEUR/AGEN.1100017
DrWeb BackDoor.Orcus.14
Invincea Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.vm
Sophos Mal/Generic-S
Ikarus Win32.Outbreak
Jiangmin Trojan.Generic.glgtf
Webroot W32.Trojan.Autoit
Avira HEUR/AGEN.1100017
eGambit Unsafe.AI_Score_100%
MAX malware (ai score=81)
Microsoft Trojan:Win32/Wacatac.C!ml
Arcabit Trojan.Ursu.D4E517
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ursu.320791
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Generic.C1928800
McAfee Artemis!669A3FD34208
Malwarebytes Trojan.Injector.AutoIt
Panda Trj/Genetic.gen
ESET-NOD32 multiple detections
TrendMicro-HouseCall TROJ_GEN.R06EH0CKG20
Fortinet W32/Injector.CXB!tr
BitDefenderTheta AI:Packer.7FC0B0CA15
AVG FileRepMalware
Cybereason malicious.34208e
Qihoo-360 HEUR/QVM10.1.4DD3.Malware.Gen

How to remove Ursu.320791 (B)?

  • 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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