About “Ursu.255857” infection

The Ursu.255857 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.255857 virus can do?

Creates RWX memory
A process attempted to delay the analysis task.
Uses Windows utilities for basic functionality
Checks the CPU name from registry, possibly for anti-virtualization

How to determine Ursu.255857?


File Info:
crc32: EF1B8F9F
md5: 8ca9b12a9d274ac019a2fee87c8d3788
name: 8CA9B12A9D274AC019A2FEE87C8D3788.mlw
sha1: 3df474a9ea799f344c372ae41cdc5076bd24a2e6
sha256: b0459aef5ca284b4698174a459ccc1c989c102a4bcd098c235478eb8acb71248
sha512: 74ec08cfd91883c1e189b3941f02f6495cbd77b90477863e85c6e4d18d9f5f6d039191f62575c1fb2c9e92769c54ebf2ac6700269faaf9f7f7a39dbf401ea58a
ssdeep: 6144:YNyichAkENm2eK7mnoUSgpAY8ODcDcm7cIsHC9T2qI+vX50aUzXSAOzwHoMus:YNyicqF9TlIupTUOCHoNs
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:
0: [No Data]

Ursu.255857 also known as:

Cynet	Malicious (score: 99)
ALYac	Gen:Variant.Ursu.255857
Cylance	Unsafe
Sangfor	Trojan.Win32.Khalesi.gnz
Alibaba	Trojan:Win32/Khalesi.232cee57
Cybereason	malicious.a9d274
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Generik.KCWNIRC
APEX	Malicious
Avast	Win32:Malware-gen
Kaspersky	Trojan.Win32.Khalesi.gnz
BitDefender	Gen:Variant.Ursu.255857
NANO-Antivirus	Trojan.Win32.Khalesi.ffqhrp
MicroWorld-eScan	Gen:Variant.Ursu.255857
Ad-Aware	Gen:Variant.Ursu.255857
Sophos	Mal/Generic-S
Comodo	Malware@#3m06vcw3d3qtq
BitDefenderTheta	Gen:NN.ZexaF.34758.suW@a8zcLrbi
Zillya	Trojan.Khalesi.Win32.1713
McAfee-GW-Edition	BehavesLike.Win32.Ransomware.dh
FireEye	Generic.mg.8ca9b12a9d274ac0
Emsisoft	Gen:Variant.Ursu.255857 (B)
SentinelOne	Static AI – Suspicious PE
Jiangmin	Trojan.Khalesi.aso
Avira	TR/Khalesi.ergtf
Antiy-AVL	Trojan/Generic.ASMalwS.2704234
Microsoft	Trojan:Win32/Zpevdo.A
Arcabit	Trojan.Ursu.D3E771
AegisLab	Trojan.Multi.Generic.4!c
GData	Gen:Variant.Ursu.255857
MAX	malware (ai score=81)
Tencent	Win32.Trojan.Khalesi.Edxx
Ikarus	Trojan.SuspectCRC
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	W32/Khalesi.GNZ!tr
AVG	Win32:Malware-gen

How to remove Ursu.255857?

Ursu.255857 removal tool

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.

About the author

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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