NSIS/Injector.QA

What is NSIS/Injector.QA infection?

In this short article you will discover about the meaning of NSIS/Injector.QA as well as its adverse effect on your computer system. Such ransomware are a type of malware that is specified by online frauds to demand paying the ransom money by a victim.

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Most of the situations, NSIS/Injector.QA ransomware will advise its sufferers to initiate funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s tool.

NSIS/Injector.QA Summary

These modifications can be as complies with:

  • 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.
  • Compression (or decompression);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard disk drive — so the target can no more utilize the information;
  • Preventing regular accessibility to the target’s workstation;

NSIS/Injector.QA

One of the most typical channels through which NSIS/Injector.QA are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a source that holds a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s computer or protect against the device from functioning in a proper way – while additionally putting a ransom note that states the requirement for the victims to impact the repayment for the purpose of decrypting the papers or restoring the file system back to the preliminary problem. In most circumstances, the ransom money note will come up when the customer restarts the PC after the system has actually currently been damaged.

NSIS/Injector.QA distribution channels.

In various edges of the globe, NSIS/Injector.QA grows by leaps and bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom amount might differ depending on certain neighborhood (regional) settings. The ransom notes as well as tricks of extorting the ransom money quantity may differ depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the sufferer’s gadget. The sharp then demands the customer to pay the ransom money.

    Faulty statements regarding unlawful content.

    In countries where software piracy is much less preferred, this approach is not as reliable for the cyber scams. Conversely, the NSIS/Injector.QA popup alert might wrongly assert to be stemming from a police establishment and also will report having situated child porn or other unlawful information on the device.

    NSIS/Injector.QA popup alert may incorrectly assert to be acquiring from a legislation enforcement institution as well as will certainly report having situated youngster porn or other prohibited information on the tool. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 77516197
md5: f76e8421866ddf2332688c0fbe2716d2
name: F76E8421866DDF2332688C0FBE2716D2.mlw
sha1: be1d32c1162af9d1d47a1e2820aa329b355f78ae
sha256: d3df77af71bce64abab49f72c1d959d25b1cfa690d9f481b849c51e861020cf3
sha512: da4f1f43f247a15c6e307d19e59e10a948914c4ec05c13e12aba7b844ef6c4c20a5e92513624acfec90709eec93f1e35fbc57847a4c9dfc4327d75a37c000f18
ssdeep: 24576:OUcr2IuNdnBdYiA4/Nv9Kx/99QL8vZdEvVg8oOCt6A:QiIid3YsNEx/99E8gvVg8oOCt6A
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Injector.QA also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005022e41 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.7111
Cynet Malicious (score: 85)
McAfee Artemis!F76E8421866D
Cylance Unsafe
Sangfor Ransom.Win32.Shade.lkb
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/Shade.0391e43b
K7GW Trojan ( 005022e41 )
Cybereason malicious.1162af
Symantec Ransom.Cerber
ESET-NOD32 NSIS/Injector.QA
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Shade.lkb
NANO-Antivirus Trojan.Nsis.Shade.ekixwb
Tencent Win32.Trojan.Shade.Eddu
Sophos Mal/Generic-S + Mal/Cerber-AA
Comodo Malware@#2kf5jhg8i5sir
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_TROLDESH.BZP
McAfee-GW-Edition BehavesLike.Win32.ObfusRansom.dc
FireEye Generic.mg.f76e8421866ddf23
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.GenKD
Avira TR/Dropper.Gen
Microsoft Ransom:Win32/Troldesh.A
AegisLab Trojan.Multi.Generic.4!c
ZoneAlarm Trojan-Ransom.Win32.Shade.lkb
AhnLab-V3 Trojan/Win32.Shade.C1743999
MAX malware (ai score=100)
Malwarebytes Ransom.Troldesh
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_TROLDESH.BZP
Ikarus Trojan.NSIS.Injector
Fortinet W32/Injector.SH!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Shade.HoMASOgA

How to remove NSIS/Injector.QA ransomware?

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 NSIS/Injector.QA 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 NSIS/Injector.QA 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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