Categories: Malware

What is “Ursu.790555”?

The Ursu.790555 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.790555 virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (7 unique times)
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Uses Windows utilities for basic functionality
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
ww4.sinaimg.cn
dlsw.br.baidu.com
dl.ikiki.cn
ww3.sinaimg.cn
r.photo.store.qq.com
w.x.baidu.com
ww2.sinaimg.cn
www.bing.com
nwzimg.wezhan.cn
ocsp.digicert.com

How to determine Ursu.790555?


File Info:

crc32: BD65CE17md5: 269aa6a2108b600fec7ed1c4964e4ca8name: 269AA6A2108B600FEC7ED1C4964E4CA8.mlwsha1: 53772734b605f996115955b584f6edcc86926697sha256: 1a14a4e24cd634f29f1908957ba0cd5b0c4304f6defaa3289f9697d271a36eb3sha512: df51891645ceeb68ea4b9bff168d0e51698c7ea35f84c38571899abe9a5251e11e221ec294e12abcbc073a28d2bb425059ae41b0c6d02dab5ee30a3a7f3a0e6essdeep: 6144:peTeM/S30XyILgfRYgVRYWZav6lN9F1gnIc4CdrmlopP4hc1HGr+WPC:9M92RYgcZv6lN9vbColwPoc1HvWPCtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: XXXx4f5cx54c1ProductName: XXXXx51fax54c1FileDescription: x5343x5343x9759x542c5.5.2.0x4f18x5316x589ex5f3ax7248FileVersion: 5.5.2CompanyName: XXXXTranslation: 0x0804 0x03a8

Ursu.790555 also known as:

K7AntiVirus Trojan-Downloader ( 0055e3ed1 )
Lionic Trojan.Multi.Generic.4!c
Cynet Malicious (score: 99)
ALYac Gen:Variant.Ursu.790555
Cylance Unsafe
Sangfor Trojan.Win32.Chindo.8
Alibaba TrojanDownloader:Win32/Chindo.b0c086c5
K7GW Trojan-Downloader ( 0055e3ed1 )
Cybereason malicious.2108b6
Baidu NSIS.Trojan-Downloader.Chindo.p
ESET-NOD32 NSIS/TrojanDownloader.Chindo.AM
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan-Downloader.NSIS.Chindo.gen
BitDefender Gen:Variant.Ursu.790555
NANO-Antivirus Trojan.Nsis.Agent.ebzqmf
MicroWorld-eScan Gen:Variant.Ursu.790555
Tencent Win32.Trojan.Nsisdlder.Hrpi
Ad-Aware Gen:Variant.Ursu.790555
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
FireEye Gen:Variant.Ursu.790555
Emsisoft Gen:Variant.Ursu.790555 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1129113
Antiy-AVL Trojan[Backdoor]/Win32.Xyligan.ajht
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Ursu.DC101B
ZoneAlarm HEUR:Trojan-Downloader.NSIS.Chindo.gen
GData Gen:Variant.Ursu.790555
McAfee Artemis!269AA6A2108B
MAX malware (ai score=100)
Rising Adware.Downloader!1.A52A (CLASSIC)
Fortinet W32/Chindo.AL!tr.dldr
AVG FileRepMalware
Paloalto generic.ml

How to remove Ursu.790555?

  • 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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