Categories: Malware

Ursu.840859 removal

The Ursu.840859 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.

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

What Ursu.840859 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Created a process from a suspicious location
  • Binary compilation timestomping detected

How to determine Ursu.840859?


File Info:

name: B68E2567A7C5F2C71A39.mlwpath: /opt/CAPEv2/storage/binaries/25c4116eb92131b4394324c6f6eb49ae1bdc6cfa3049e56423836ffdd98f6af1crc32: DEE9A937md5: b68e2567a7c5f2c71a3966681cc6e981sha1: 411595f60d1f98bc5c052f4f3053261586c15613sha256: 25c4116eb92131b4394324c6f6eb49ae1bdc6cfa3049e56423836ffdd98f6af1sha512: 796fca38ca0c86e5c56baabd63c130aefce431172c2afa3c44b1e444b5923e7a83f99081192b26702b076915e6cc9dbcc606f550f37f59b80e8d5edc5b0f1590ssdeep: 384:sfl8DxQ0NYJYAWObvQWaZXbxAeY+ivTJ2lWq:sflaxRQhbvihbVYPl2ntype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T1A1621A1957F8C769E69D8B790473471102F8A70F6127CF8E8FCEA89A3D173546602AF2sha3_384: 3931786aebeaddea0e4a4aaf9e0fdb5cebea5095ddc463b33cc71c20015d4e18cf874793665988647e7af19213df1a84ep_bytes: ff250020400000000000000000000000timestamp: 2048-05-16 11:58:27

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: MicrosoftFileDescription: StartupInfectorFileVersion: 1.0.0.0InternalName: StartupInfector.exeLegalCopyright: Copyright © Microsoft 2019LegalTrademarks: OriginalFilename: StartupInfector.exeProductName: StartupInfectorProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

Ursu.840859 also known as:

Lionic Trojan.MSIL.Witch.4!c
MicroWorld-eScan Gen:Variant.Ursu.840859
FireEye Gen:Variant.Ursu.840859
ALYac Gen:Variant.Ursu.840859
Cylance Unsafe
Sangfor Trojan.MSIL.Agent.TQV
K7AntiVirus Trojan ( 005946921 )
Alibaba Trojan:MSIL/Witch.76b92d06
K7GW Trojan ( 005946921 )
Cybereason malicious.7a7c5f
ESET-NOD32 a variant of MSIL/Agent.TQV
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.MSIL.Witch.gen
BitDefender Gen:Variant.Ursu.840859
Avast Win32:Trojan-gen
Tencent Msil.Trojan.Witch.Pfte
Ad-Aware Gen:Variant.Ursu.840859
Emsisoft Gen:Variant.Ursu.840859 (B)
TrendMicro TROJ_GEN.R002C0WFJ22
McAfee-GW-Edition RDN/Generic.dx
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Ursu.840859
Avira HEUR/AGEN.1203359
MAX malware (ai score=88)
Arcabit Trojan.Ursu.DCD49B
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 99)
McAfee RDN/Generic.dx
TrendMicro-HouseCall TROJ_GEN.R002C0WFJ22
MaxSecure Trojan.Malware.108560625.susgen
Fortinet PossibleThreat
BitDefenderTheta Gen:NN.ZemsilF.34742.am0@aO9KJom
AVG Win32:Trojan-gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ursu.840859?

  • 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.

Recent Posts

MSIL/GenKryptik.GXIZ information

The MSIL/GenKryptik.GXIZ is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Malware.AI.2789448175 (file analysis)

The Malware.AI.2789448175 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Jalapeno.1878 removal instruction

The Jalapeno.1878 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

What is “Trojan.Heur3.LPT.YmKfaKBcBekib”?

The Trojan.Heur3.LPT.YmKfaKBcBekib is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

How to remove “Worm.Win32.Vobfus.exmt”?

The Worm.Win32.Vobfus.exmt is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

About “TrojanDownloader:Win32/Beebone.JO” infection

The TrojanDownloader:Win32/Beebone.JO is considered dangerous by lots of security experts. When this infection is active,…

2 months ago