Categories: Malware

Ursu.821891 (B) removal guide

The Ursu.821891 (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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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.
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What Ursu.821891 (B) virus can do?

  • Creates RWX memory
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Japanese
  • Anomalous binary characteristics

How to determine Ursu.821891 (B)?


File Info:

crc32: CA2C257Amd5: 70ff1a57d24d5d78a0328ab338070e58name: 06esper06.exesha1: b729bb5d6021fb3259d20e4a08b832732d4b9184sha256: b1721e5d1c11a9c1f88922c23e2b5462c2098789d4610a0f2f29464a595609easha512: 57bb44ea81d30dfe6b6c55e380f3ea1ad00b83b84bc94fd8566e31519e3923ec0c7b0f7b945b7004a37fa9eb2c0fc3e8afb7fe58684e9da4fb251ed2008ee1a7ssdeep: 196608:c1kwDg+UWl1Jx1ehIaUcqo1cfa/tOF6ZRguJFpM+K4p:CHDge1J/Pxo1ci/4FsRguTpM+9ptype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: EPSETUPFileVersion: 5.01Comments: Self Extractable Archive by EXEpress CX Copyright(C) 1998-2007 web technology Corp. http://www.webtech.co.jp/ProductVersion: 5.01FileDescription: Self Extractable ArchiveOriginalFilename: EPSETUP.EXETranslation: 0x0411 0x04b0

Ursu.821891 (B) also known as:

FireEye Gen:Variant.Ursu.821891
McAfee Artemis!70FF1A57D24D
BitDefender Gen:Variant.Ursu.821891
Zillya Trojan.Qhost.Win32.17948
Emsisoft Gen:Variant.Ursu.821891 (B)
GData Gen:Variant.Ursu.784163
Jiangmin Trojan.Qhost.ku
Arcabit Trojan.Ursu.DBF723
MAX malware (ai score=88)
AVG FileRepMetagen [Malware]
Qihoo-360 Generic/Trojan.741

How to remove Ursu.821891 (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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