Win32/Injector.QLW

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

What is Win32/Injector.QLW infection?

In this short article you will find regarding the interpretation of Win32/Injector.QLW as well as its unfavorable influence on your computer system. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom by a victim.

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In the majority of the situations, Win32/Injector.QLW virus will certainly instruct its targets to launch funds move for the function of neutralizing the changes that the Trojan infection has actually presented to the victim’s gadget.

Win32/Injector.QLW Summary

These modifications can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Possible date expiration check, exits too soon after checking local time;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Executed a process and injected code into it, probably while unpacking;
  • Likely installs a bootkit via raw harddisk modifications;
  • Deletes its original binary from disk;
  • Attempts to restart the guest VM;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s hard disk — so the victim can no more utilize the information;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Injector.QLW

One of the most typical channels through which Win32/Injector.QLW Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a resource that holds a harmful software;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the target’s PC or prevent the device from functioning in a proper fashion – while also positioning a ransom note that mentions the demand for the targets to effect the settlement for the objective of decrypting the files or restoring the data system back to the initial condition. In most instances, the ransom note will turn up when the customer reboots the PC after the system has currently been harmed.

Win32/Injector.QLW circulation networks.

In different edges of the world, Win32/Injector.QLW grows by jumps and bounds. However, the ransom notes and tricks of extorting the ransom amount may vary depending upon specific neighborhood (local) settings. The ransom money notes as well as techniques of extorting the ransom quantity may vary depending on particular neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s tool. The sharp then demands the user to pay the ransom money.

    Faulty declarations regarding prohibited content.

    In countries where software piracy is much less preferred, this technique is not as effective for the cyber fraudulences. Conversely, the Win32/Injector.QLW popup alert may incorrectly claim to be originating from a law enforcement establishment as well as will certainly report having situated kid pornography or other illegal data on the tool.

    Win32/Injector.QLW popup alert might incorrectly assert to be obtaining from a regulation enforcement establishment and also will certainly report having situated kid pornography or various other prohibited information on the device. The alert will likewise have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 468ABB05
md5: ea7f0458925a99ce05d8d38a887938db
name: EA7F0458925A99CE05D8D38A887938DB.mlw
sha1: b21925a23d24eda566cf77c29a12250a0f0395a4
sha256: a0159bb2f97957ab1934901edf1a2cc5ff2bae980348e1946d658bcf4377aa0f
sha512: 5c2a20da2a94a14029066d1f8074d4447974f254b5a1f03b6569fb5eb5f19339cb08088cf3d40097e1e533d46505a226cb994b3a32888f97dc95ec648362371d
ssdeep: 3072:xO4I3W8Ph7YPKt9jY5GFdF81jhweX4TILFhEIVc:B5h1Fw84cLFe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: EfXzOq
FileVersion: 8.00.0013
CompanyName: QWpwm
LegalTrademarks: ZLae
ProductName: HDPf
ProductVersion: 8.00.0013
OriginalFilename: EfXzOq.exe

Win32/Injector.QLW also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004d4a2d1 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.5908
Cynet Malicious (score: 100)
ALYac Gen:Heur.ManBat.1
Cylance Unsafe
Zillya Trojan.MBRlock.Win32.421
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/HmBlocker.94c98c5a
K7GW Trojan ( 004d4a2d1 )
Cybereason malicious.8925a9
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.QLW
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.HmBlocker.nxog
BitDefender Gen:Heur.ManBat.1
NANO-Antivirus Trojan.Win32.HmBlocker.eibsmx
MicroWorld-eScan Gen:Heur.ManBat.1
Tencent Win32.Trojan.Hmblocker.Alsp
Ad-Aware Gen:Heur.ManBat.1
Sophos ML/PE-A + Mal/VB-ADS
BitDefenderTheta Gen:NN.ZevbaF.34690.hm0@a8Q27!di
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.Trojan.cm
FireEye Generic.mg.ea7f0458925a99ce
Emsisoft Gen:Heur.ManBat.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.HmBlocker.m
Avira TR/Dropper.Gen
eGambit Generic.Malware
Antiy-AVL Trojan/Generic.ASMalwS.ACB766
Microsoft Trojan:Win32/Dynamer!ac
AegisLab Trojan.Win32.HmBlocker.j!c
GData Gen:Heur.ManBat.1
TACHYON Ransom/W32.VB-HmBlocker.130048
McAfee Artemis!EA7F0458925A
MAX malware (ai score=100)
VBA32 BScope.Trojan-Ransom.Winlock.2741
Panda Trj/CI.A
Rising Ransom.HmBlocker!8.2A63 (CLOUD)
Yandex Trojan.GenAsa!9D8KYEbAqXg
Ikarus Trojan-Ransom.Gimemo
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VB.IKK!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Injector.QLW virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.QLW 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:

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

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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.

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