What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Injector.ULO infection?

In this article you will locate about the interpretation of Win32/Injector.ULO as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom by a victim.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the situations, Win32/Injector.ULO infection will instruct its sufferers to launch funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s tool.

Win32/Injector.ULO Summary

These adjustments can be as complies with:

  • 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;
  • Ciphering the documents situated on the sufferer’s disk drive — so the target can no longer make use of the information;
  • Preventing normal accessibility to the sufferer’s workstation;


The most normal networks whereby Win32/Injector.ULO are injected are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a resource that hosts a destructive software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or avoid the tool from functioning in a correct manner – while likewise putting a ransom money note that discusses the need for the targets to effect the settlement for the function of decrypting the documents or bring back the data system back to the first condition. In a lot of circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually currently been damaged.

Win32/Injector.ULO circulation channels.

In different edges of the globe, Win32/Injector.ULO grows by leaps as well as bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom money amount may vary depending on certain local (local) setups. The ransom money notes as well as methods of extorting the ransom amount may vary depending on certain local (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the target’s gadget. The sharp after that demands the individual to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In nations where software application piracy is less prominent, this technique is not as efficient for the cyber scams. Additionally, the Win32/Injector.ULO popup alert may wrongly assert to be deriving from a police institution and will report having located kid porn or various other unlawful data on the device.

    Win32/Injector.ULO popup alert might incorrectly claim to be obtaining from a law enforcement institution and also will report having located child porn or various other illegal data on the tool. The alert will similarly consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: DC1F3988
md5: 5506f2b3a199dcea47b065291e164319
name: 5506F2B3A199DCEA47B065291E164319.mlw
sha1: f581e73c52cd085c8eaf71c90d8c91bb63d4e7c9
sha256: d74c750b1aa43c8714ac5ee17d24dca9f4c37e43c6096b8c685949027e6316cb
sha512: 541f335393b0a54e3271a283e7174ba1f8c741941541cbe966fffe41c1e1bf142383dc0dc006baec585a90da6091e56d09c31b5f9d1310ad3653e752df81830f
ssdeep: 6144:f9Du12j0vvSLdkdCIN2bFDsJHsOs75+vt856:fs100XS6CIUVsWOs7IF856
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: wqjhlg obrxmokvclrdbfv
InternalName: tsk
FileVersion: 5.15.0022
CompanyName: wm
LegalTrademarks: wpn wqcui
Comments: hfizu
ProductName: tamaynibop
ProductVersion: 5.15.0022
FileDescription: buspd
OriginalFilename: tsk.exe

Win32/Injector.ULO also known as:

GridinSoft Trojan.Ransom.Gen
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
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]

How to remove Win32/Injector.ULO virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Injector.ULO files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Injector.ULO you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

Leave a Reply