NSIS/Injector.QF

What is NSIS/Injector.QF infection?

In this short article you will discover regarding the definition of NSIS/Injector.QF as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom money by a victim.

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Most of the cases, NSIS/Injector.QF ransomware will certainly instruct its sufferers to initiate funds transfer for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the target’s tool.

NSIS/Injector.QF Summary

These alterations 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.
  • Starts servers listening on 127.0.0.1:28699;
  • 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 Tor on the infected machine;
  • 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 documents found on the target’s disk drive — so the target can no more use the data;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

NSIS/Injector.QF

The most normal networks where NSIS/Injector.QF 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 hosts a malicious software;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s computer or prevent the device from functioning in a proper way – while additionally positioning a ransom money note that discusses the need for the victims to effect the payment for the function of decrypting the files or bring back the data system back to the preliminary condition. In most circumstances, the ransom money note will certainly show up when the client reboots the PC after the system has currently been harmed.

NSIS/Injector.QF distribution networks.

In numerous corners of the world, NSIS/Injector.QF expands by leaps and also bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom amount might vary depending upon particular local (regional) settings. The ransom money notes and also techniques of extorting the ransom quantity might vary depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having identified some unlicensed applications made it possible for on the victim’s device. The alert after that demands the individual to pay the ransom money.

    Faulty declarations concerning illegal content.

    In countries where software application piracy is much less popular, this method is not as effective for the cyber frauds. Conversely, the NSIS/Injector.QF popup alert might falsely claim to be deriving from a law enforcement establishment and also will report having situated child pornography or various other unlawful information on the gadget.

    NSIS/Injector.QF popup alert may wrongly claim to be acquiring from a legislation enforcement organization as well as will report having situated child porn or various other illegal data on the gadget. The alert will similarly consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 33C8C346
md5: 2cb8969458d0fe8cc7c806c2a0af1daa
name: 2CB8969458D0FE8CC7C806C2A0AF1DAA.mlw
sha1: ac8d4133f87f988a61edbb336cecd5900b7ea545
sha256: cf9c3f397867a7652f6cdeef22624b9a78c3b6bb39d0efa2c2f0254553a8683d
sha512: 0f1a400e6d05bc5af4d864b8138771f18b3deaccefeec3bcea5cf6ba5861a76cab43aff51e88b257544dd7da18b83398608eb780b46efd06db74f51f0f687560
ssdeep: 24576:OUIZIloHjAzhTaxGYL6NwI9cXhfiblTS3B9llRMkhx:EZIl+AzhMmNwscQblu3BLpx
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Injector.QF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005022e41 )
DrWeb Trojan.DownLoader23.44398
Cynet Malicious (score: 85)
ALYac Trojan.GenericKD.4344389
Cylance Unsafe
Sangfor Ransom.Win32.Shade.lkk
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Shade.06b9b6c4
K7GW Trojan ( 005022e41 )
Cybereason malicious.458d0f
Symantec Ransom.Troldesh
ESET-NOD32 NSIS/Injector.QF
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Shade.lkk
BitDefender Trojan.GenericKD.4344389
NANO-Antivirus Trojan.Nsis.Shade.ekoefy
MicroWorld-eScan Trojan.GenericKD.4344389
Tencent Win32.Trojan.Inject.Auto
Ad-Aware Trojan.GenericKD.4344389
Sophos Mal/Generic-S + Mal/Cerber-AA
Comodo Malware@#1bon08w82rspn
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPSHED.F117AC
McAfee-GW-Edition BehavesLike.Win32.Dropper.dc
FireEye Generic.mg.2cb8969458d0fe8c
Emsisoft Trojan.GenericKD.4344389 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen
Microsoft Ransom:Win32/Troldesh.A
Arcabit Trojan.Generic.D424A45
GData Trojan.GenericKD.4344389
TACHYON Ransom/W32.Shade.944996
AhnLab-V3 Trojan/Win32.Shade.C1745473
McAfee Artemis!2CB8969458D0
MAX malware (ai score=99)
VBA32 TrojanRansom.Shade
Malwarebytes Ransom.Troldesh
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPSHED.F117AC
Ikarus Trojan.NSIS.Injector
Fortinet W32/Injector.OV!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.06e

How to remove NSIS/Injector.QF 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.QF 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove NSIS/Injector.QF 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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