Categories: Malware

About “Ursu.816903” infection

The Ursu.816903 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.816903 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine Ursu.816903?


File Info:

name: 903BA858321AAE779FDE.mlwpath: /opt/CAPEv2/storage/binaries/26354ddcad21a31270a5c7cd38d05998599ccd91ada23a1036c81f2b560af319crc32: 75547FAAmd5: 903ba858321aae779fdebdd2d2fbe46esha1: 2c4267c7b53f6d49898408bd3cf0acb645ea1780sha256: 26354ddcad21a31270a5c7cd38d05998599ccd91ada23a1036c81f2b560af319sha512: acc713bde94c3fc127d1dde44b630af724fd778d2323c448afca30d160eb4e88bdb75106ee85d83e97c19456be501ec16150b862f244cbfef9ecfdf09c318f4cssdeep: 12288:3wxH7oyefZU5Zc41jTV14FHpVEALeK0ve0GvUg/dsvWre3i9AgvvNVR:4bo1CTn17NXvBaasAkvzRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18BF49DC42241E79EC2D1B2FB586566F433260ECE9A40A516D138BF91387A41FCD6FC9Esha3_384: 5ac58e64c2b486da8be7cafb82e8ecc00d2b5ddc40fc2156351de466aea4d4afcf47e3c239d812d8e340d3e931b9fc34ep_bytes: ff250020400000000000000000000000timestamp: 2022-08-30 05:57:01

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: firefox.exeLegalCopyright: OriginalFilename: firefox.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

Ursu.816903 also known as:

Bkav W32.AIDetectNet.01
Cynet Malicious (score: 100)
FireEye Generic.mg.903ba858321aae77
Malwarebytes Backdoor.Agent.Generic
Sangfor Suspicious.Win32.Save.a
Cybereason malicious.8321aa
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Injector.YG
APEX Malicious
ClamAV Win.Packed.Trojanx-9891229-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ursu.816903
NANO-Antivirus Trojan.Win32.Inject.dbylvd
MicroWorld-eScan Gen:Variant.Ursu.816903
Avast Win32:TrojanX-gen [Trj]
Ad-Aware Gen:Variant.Ursu.816903
Emsisoft Gen:Variant.Ursu.816903 (B)
DrWeb Trojan.Siggen6.63994
VIPRE Gen:Variant.Ursu.816903
Trapmine suspicious.low.ml.score
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Ursu.816903
Jiangmin Backdoor/DarkKomet.ey
Avira TR/Dropper.MSIL.Gen
Arcabit Trojan.Ursu.DC7707
Microsoft Trojan:Win32/Sabsik.EN.B!ml
Google Detected
AhnLab-V3 Trojan/Win32.Zbot.R90985
Acronis suspicious
ALYac Gen:Variant.Ursu.816903
MAX malware (ai score=89)
Cylance Unsafe
Rising Trojan.Generic/MSIL@AI.100 (RDM.MSIL:bBuGC13kFt021zTZllhjtw)
Ikarus Trojan.SuspectCRC
MaxSecure Trojan.Malware.300983.susgen
BitDefenderTheta Gen:NN.ZemsilF.34606.Um0@aGDdeVp
AVG Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)

How to remove Ursu.816903?

  • 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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