Categories: Backdoor

What is “Backdoor.Win32.Gulpix.zbo”?

The Backdoor.Win32.Gulpix.zbo 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 Backdoor.Win32.Gulpix.zbo virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Attempts to connect to a dead IP:Port (8 unique times)
  • 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)
  • The binary likely contains encrypted or compressed data.
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Network activity contains more than one unique useragent.
  • Attempts to modify proxy settings

Related domains:

z.whorecord.xyz
cdn.qqb3.com
cdn.cuilet.com
cdn.sackow.com
wpad
a.tomx.xyz
apps.game.qq.com
sp0.baidu.com
ocsp.globalsign.com
ocsp2.globalsign.com
crl.globalsign.com
gweish.com
8s46n4vw.sched.sma.tdnsv5.com
ddjf8dkd.mmakd.ren

How to determine Backdoor.Win32.Gulpix.zbo?


File Info:

crc32: D38904B6md5: 86f8b2f2c8459e3a400f69e6c112d1e2name: 86F8B2F2C8459E3A400F69E6C112D1E2.mlwsha1: 47d7d35907ed20255272b1a4c5652e9eaf41798csha256: ce08be06a58769733631bd29924b9beac759c90a9e9894f3ecc961b6d47278cesha512: adfbd92dd47cbed21d075a1a47133a5371032c0142a52b6678353481d6123ab0a2de3b197c323c8c0fa0b94de7c26e91e3df30b78d72efec3ed172195cb8e571ssdeep: 12288:urH+iG0bLi1oUEKLbFyiS0a+Kv2oqj8uvNJrc4jDJk:ure5yi2UE7iZapP8vJYIJktype: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

LegalCopyright: Copyright (C) 2021FileVersion: 21, 2, 22, 1755ProductVersion: 21, 2, 22, 1755Translation: 0x0804 0x04b0

Backdoor.Win32.Gulpix.zbo also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00577f261 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen12.9801
Cynet Malicious (score: 100)
CAT-QuickHeal Backdoor.Gulpix
ALYac Gen:Variant.Graftor.494706
Cylance Unsafe
Zillya Trojan.Agent.Win32.2096989
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Backdoor:Win32/Gulpix.7fd00eae
K7GW Trojan ( 00577f261 )
Cybereason malicious.2c8459
Cyren W32/Trojan.YMBL-6513
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Agent.ZJL
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
Kaspersky Backdoor.Win32.Gulpix.zbo
BitDefender Gen:Variant.Graftor.494706
NANO-Antivirus Trojan.Win32.Gulpix.ivorvl
MicroWorld-eScan Gen:Variant.Graftor.494706
Ad-Aware Gen:Variant.Graftor.494706
Sophos ML/PE-A + Mal/Behav-010
BitDefenderTheta AI:Packer.22DA03031F
VIPRE Trojan-Spy.Win32.Zbot.gen (v)
TrendMicro TROJ_GEN.R002C0PE421
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
FireEye Generic.mg.86f8b2f2c8459e3a
Emsisoft Gen:Variant.Graftor.494706 (B)
Jiangmin Backdoor.Gulpix.xb
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1103265
eGambit Unsafe.AI_Score_88%
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Microsoft Trojan:Win32/Woreflint.A!cl
Arcabit Trojan.Graftor.D78C72
AegisLab Trojan.Win32.Gulpix.m!c
GData Gen:Variant.Graftor.494706
AhnLab-V3 Trojan/Win32.Agent.C3143770
McAfee Artemis!86F8B2F2C845
MAX malware (ai score=80)
VBA32 Backdoor.Gulpix
Malwarebytes Backdoor.Farfli
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0PE421
Rising Trojan.Agent!1.CF5E (CLOUD)
Ikarus Trojan.Win32.Agent
MaxSecure Trojan.Malware.117969052.susgen
Fortinet W32/Agent.ZJL!tr
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml

How to remove Backdoor.Win32.Gulpix.zbo?

  • 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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