Categories: Malware

Should I remove “Win32/Injector.ULO”?

The Win32/Injector.ULO 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 Win32/Injector.ULO virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Detects Sandboxie through the presence of a library
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Win32/Injector.ULO?


File Info:

crc32: DC1F3988md5: 5506f2b3a199dcea47b065291e164319name: 5506F2B3A199DCEA47B065291E164319.mlwsha1: f581e73c52cd085c8eaf71c90d8c91bb63d4e7c9sha256: d74c750b1aa43c8714ac5ee17d24dca9f4c37e43c6096b8c685949027e6316cbsha512: 541f335393b0a54e3271a283e7174ba1f8c741941541cbe966fffe41c1e1bf142383dc0dc006baec585a90da6091e56d09c31b5f9d1310ad3653e752df81830fssdeep: 6144:f9Du12j0vvSLdkdCIN2bFDsJHsOs75+vt856:fs100XS6CIUVsWOs7IF856type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0LegalCopyright: wqjhlg obrxmokvclrdbfvInternalName: tskFileVersion: 5.15.0022CompanyName: wmLegalTrademarks: wpn wqcuiComments: hfizuProductName: tamaynibopProductVersion: 5.15.0022FileDescription: buspdOriginalFilename: tsk.exe

Win32/Injector.ULO also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3991 )
Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
DrWeb BackDoor.IRC.Bot.1699
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ursu.217922
Cylance Unsafe
Zillya Trojan.Injector.Win32.413674
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/Blocker.7da5a976
K7GW Trojan ( 0055e3991 )
Cybereason malicious.3a199d
Cyren W32/VBInject.1!Generic
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.ULO
APEX Malicious
Avast Win32:VBCrypt-GN [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.jjgy
BitDefender Gen:Variant.Ursu.217922
NANO-Antivirus Trojan.Win32.Bot.efcwkh
MicroWorld-eScan Gen:Variant.Ursu.217922
Tencent Win32.Trojan.Blocker.Ssqo
Ad-Aware Gen:Variant.Ursu.217922
BitDefenderTheta AI:Packer.1E62646520
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Fareit.dm
FireEye Generic.mg.5506f2b3a199dcea
Emsisoft Gen:Variant.Ursu.217922 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.VBKrypt.ajux
Avira TR/Dropper.Gen
eGambit Generic.Worm
Antiy-AVL Trojan/Generic.ASMalwS.189621C
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft TrojanDropper:Win32/Randrew.A!rfn
GData Gen:Variant.Ursu.217922
TACHYON Ransom/W32.VB-Blocker.1003520
McAfee Artemis!5506F2B3A199
MAX malware (ai score=99)
VBA32 BScope.TrojanRansom.Blocker
Panda Trj/GdSda.A
Yandex Trojan.Injector!zebegiENXso
Ikarus Worm.Win32.Drefir
Fortinet W32/Dorkbot.BAA!tr
AVG Win32:VBCrypt-GN [Trj]
Paloalto generic.ml

How to remove Win32/Injector.ULO?

  • 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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