Categories: Malware

Ursu.387721 (file analysis)

The Ursu.387721 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.387721 virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Ursu.387721?


File Info:

crc32: 021F52EBmd5: 21320e6272c5c2b4e7a388cb88fcf8c6name: 21320E6272C5C2B4E7A388CB88FCF8C6.mlwsha1: 079ed35b963931cf2518348865969ffb1424adafsha256: e397b7afb75f96424c7ca785d44a5a506298dc1474ff1b275517c19ae5f2c9b0sha512: 19718265687ed0b362a5507e091213bfdccef36a631c911fcab9d30a5f9472da16f60d6b3d5a6b6baa8e0c7b92767ab8b38d836b02c8debeebe43fe78931bfb0ssdeep: 192:I7BEMf/GhpmaK1gMTDkxrj64VNE50rd9e:ymSv4dj64V6qd9type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: payload20.exeFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: payload20.exe

Ursu.387721 also known as:

Elastic malicious (high confidence)
DrWeb Exploit.ShellCode.46
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ursu.387721
Cylance Unsafe
Zillya Trojan.Shelma.Win32.2524
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:MSIL/GenKryptik.29d7371e
Cybereason malicious.272c5c
Cyren W32/Razy.EL.gen!Eldorado
Symantec Meterpreter
ESET-NOD32 a variant of MSIL/GenKryptik.DAXJ
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
Kaspersky HEUR:Trojan.MSIL.Shelma.gen
BitDefender Gen:Variant.Ursu.387721
MicroWorld-eScan Gen:Variant.Ursu.387721
Ad-Aware Gen:Variant.Ursu.387721
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZemsilF.34744.am0@aaYTii
TrendMicro TROJ_GEN.R005C0WFE21
McAfee-GW-Edition BehavesLike.Win32.Trojan.zt
FireEye Generic.mg.21320e6272c5c2b4
Emsisoft Gen:Variant.Ursu.387721 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1107327
Microsoft Trojan:Win32/Wacatac.B!ml
GData Gen:Variant.Ursu.387721
AhnLab-V3 Trojan/Win32.Kryptik.C3076693
McAfee Artemis!21320E6272C5
MAX malware (ai score=84)
Malwarebytes Trojan.Crypt.MSIL
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_GEN.R005C0WFE21
Ikarus Trojan.Shelma
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/GenKryptik.DAXJ!tr
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml

How to remove Ursu.387721?

  • 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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