Categories: Worm

Worm:Win32/Neeris malicious file

The Worm:Win32/Neeris 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 Worm:Win32/Neeris virus can do?

  • Sample contains Overlay data
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Creates a copy of itself

How to determine Worm:Win32/Neeris?


File Info:

name: CF8B890FE72AB8571A8C.mlwpath: /opt/CAPEv2/storage/binaries/276210d62a431ff50065370187439e7f12c3646690e9a9f02c52461608311814crc32: 8E6BE7CFmd5: cf8b890fe72ab8571a8cb832e27cb747sha1: 8967078054d3de47f67c9503d09ecbb305385c73sha256: 276210d62a431ff50065370187439e7f12c3646690e9a9f02c52461608311814sha512: 08bcd3fc647c6fadacbbeb1e249e0a1464a64116e5070e76fcd4c75ed5192875f0cb594f25e320e61fb12c972636fe1afd45c03d048c8d8ba4895f5d0f485dcessdeep: 384:vC3pa5CGPGhtKdOge1eny+i2rlh3Df6F1r21jPYHKy3iRyW5pupeYRXd:a3M5CiPUNlNmlh3Dib2jPZb9eeYRXdtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B966F15B065EC765E4FF593B8CAB1C2204EA664D323AA66D670C3D2C2C395F0D22475Bsha3_384: b85058fb9dd00d8a47c8837eed80d2e5f07913f3f19cfe18dde8c9ce6ed368e7612e240cd73d69a7094fecf7db089e13ep_bytes: bdc0b74800c74500d4003e00b840423ftimestamp: 2008-12-06 16:31:06

Version Info:

0: [No Data]

Worm:Win32/Neeris also known as:

Lionic Trojan.Win32.Generic.kYNb
DrWeb BackDoor.IRC.Sdbot.4559
MicroWorld-eScan Backdoor.IRCBot.ACOK
FireEye Generic.mg.cf8b890fe72ab857
Skyhigh Artemis
ALYac Backdoor.IRCBot.ACOK
Malwarebytes Trojan.MalPack.Krunchy
VIPRE Backdoor.IRCBot.ACOK
Sangfor Suspicious.Win32.Save.a
K7AntiVirus P2PWorm ( 000610191 )
BitDefender Backdoor.IRCBot.ACOK
K7GW P2PWorm ( 000610191 )
Cybereason malicious.054d3d
BitDefenderTheta AI:Packer.0DED95061F
VirIT Backdoor.Win32.Rbot.WIM
Symantec W32.Spybot.Worm
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.Agent.DO
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Net-Worm.Win32.Kolab.fbc
Alibaba Worm:Win32/Kolab.c9fa96d5
NANO-Antivirus Trojan.Win32.Kolab.bxkdsl
ViRobot Worm.Win32.A.Net-Kolab.3368960
Rising Trojan.Shyape!1.B5E8 (CLASSIC)
Sophos W32/Autorun-RX
F-Secure Backdoor:W32/Agent.DKD
Zillya Backdoor.RBot.Win32.9163
TrendMicro WORM_KRUNCHY.B
Trapmine malicious.high.ml.score
Emsisoft Backdoor.IRCBot.ACOK (B)
Ikarus Trojan.Win32.Genome
GData Backdoor.IRCBot.ACOK
Jiangmin Backdoor/RBot.hos
Webroot W32.Worm.Aqq
Google Detected
Avira TR/Dropper.Gen
Antiy-AVL GrayWare/Win32.Kryptik.pe
Kingsoft Win32.HeurC.KVMH008.a
Xcitium TrojWare.Win32.Trojan.Inject.~INC@1f34i5
Arcabit Backdoor.IRCBot.ACOK
ZoneAlarm Net-Worm.Win32.Kolab.fbc
Microsoft Worm:Win32/Neeris
Varist W32/Backdoor.XIOJ-5747
AhnLab-V3 Trojan/Win32.Xema.C139814
McAfee Artemis!CF8B890FE72A
TACHYON Worm/W32.Kolab.6640576
DeepInstinct MALICIOUS
Cylance unsafe
Panda Bck/IRCBot.CHP
Zoner Trojan.Win32.1193
TrendMicro-HouseCall WORM_KRUNCHY.B
Tencent Malware.Win32.Gencirc.1149d070
Yandex Worm.RBot.AEJO
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.1461250.susgen
Fortinet W32/Kryptik.BPCL!tr
AVG Win32:Virut-NU
Avast Win32:Virut-NU
CrowdStrike win/malicious_confidence_100% (D)

How to remove Worm:Win32/Neeris?

  • 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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Paul Valéry

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