Categories: Malware

What is “Ursu.806589”?

The Ursu.806589 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.806589 virus can do?

  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • A system process is generating network traffic likely as a result of process injection
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Attempts to modify browser security settings
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

config.leyoufuxing.cn
api.leyoufuxing.cn

How to determine Ursu.806589?


File Info:

crc32: 9C314504md5: 92804f38a25d58a8c661471b53edb8f4name: gifrecord-4832.exesha1: cffb5c6a6e1458e41bbf36031c8f108b14719146sha256: edd549aa189f2982adbd15e0c4dbf468314bf1ab242dab45d2ebe00c5b2a7cd1sha512: de47a50bac8e8907a41767b4403177c98869498d1408e64969b5cd4d67d784ea6f5da6238750b3120bdf28f9439705b3cbe6c61e7e1da9171ad20ed369a1161assdeep: 49152:wXKgbSUIxUCG4LNcDYH8Grkl5Dm8E0jKnR1O7RW2JJLbfp4bI:oJcUQLUGrupm8ECoqJJLjkItype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 1.0.0.1CompanyName: GifRecordComments: GifRecordProductName: Setup PackProductVersion: 1.0.0.1FileDescription: x5b89x88c5x7a0bx5e8fOriginalFilename: suf_launch.exeTranslation: 0x0409 0x0000

Ursu.806589 also known as:

DrWeb Trojan.DownLoader33.44104
MicroWorld-eScan Gen:Variant.Ursu.806589
FireEye Gen:Variant.Ursu.806589
McAfee Artemis!92804F38A25D
Cylance Unsafe
Zillya Downloader.Chindo.Win32.1264
Sangfor Malware
K7AntiVirus Trojan-Downloader ( 005624d41 )
BitDefender Gen:Variant.Ursu.806589
K7GW Trojan-Downloader ( 005624d41 )
Cybereason malicious.8a25d5
TrendMicro TROJ_GEN.R067C0GEQ20
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Malware.Generic-7589901-0
GData Gen:Variant.Ursu.806589
Kaspersky HEUR:Trojan-Downloader.Win32.Chindo.vho
ViRobot Trojan.Win32.Z.Ursu.2573352
AegisLab Trojan.Win32.Chindo.a!c
Tencent Malware.Win32.Gencirc.10b98818
Ad-Aware Gen:Variant.Ursu.806589
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.Chindo.DP
McAfee-GW-Edition Artemis
Emsisoft Gen:Variant.Ursu.806589 (B)
Ikarus Trojan.Indiloadz
Jiangmin AdWare.StartSurf.cirb
Avira TR/AD.Chindo.DP
MAX malware (ai score=82)
Endgame malicious (high confidence)
Arcabit Trojan.Ursu.DC4EBD
ZoneAlarm HEUR:Trojan-Downloader.Win32.Chindo.vho
VBA32 BScope.Trojan.Ekstak
ALYac Gen:Variant.Ursu.806589
Malwarebytes PUP.Optional.ChinAd
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/TrojanDownloader.Chindo.AG
TrendMicro-HouseCall TROJ_GEN.R067C0GEQ20
Rising Adware.Agent!1.C221 (CLOUD)
Fortinet W32/Ursu.789031!tr
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.fc8

How to remove Ursu.806589?

  • 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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