What is NSIS/Injector.UG infection?

In this post you will locate regarding the definition of NSIS/Injector.UG and its adverse effect on your computer system. Such ransomware are a kind of malware that is elaborated by on-line scams to demand paying the ransom money by a victim.

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Most of the situations, NSIS/Injector.UG virus will instruct its victims to start funds transfer for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

NSIS/Injector.UG Summary

These modifications can be as follows:

  • 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.
  • Mimics the system’s user agent string for its own requests;
  • 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.

  • Exhibits behavior characteristic of Locky ransomware;
  • Writes a potential ransom message to disk;
  • Appends a known Locky ransomware file extension to files that have been encrypted;
  • Creates a known Locky ransomware decryption instruction / key file.;
  • 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 drive — so the sufferer can no longer make use of 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.


The most normal networks where NSIS/Injector.UG Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a source that hosts a harmful software;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s computer or prevent the tool from working in an appropriate manner – while likewise placing a ransom note that points out the requirement for the victims to impact the repayment for the objective of decrypting the records or recovering the documents system back to the preliminary problem. In many instances, the ransom note will turn up when the customer restarts the PC after the system has currently been harmed.

NSIS/Injector.UG circulation networks.

In numerous corners of the world, NSIS/Injector.UG grows by leaps and bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom money amount might differ depending on particular neighborhood (regional) setups. The ransom notes and also methods of extorting the ransom amount may differ depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In certain locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s device. The sharp then demands the customer to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software piracy is less prominent, this method is not as effective for the cyber scams. Conversely, the NSIS/Injector.UG popup alert may incorrectly declare to be originating from a law enforcement institution as well as will certainly report having located kid porn or various other illegal information on the tool.

    NSIS/Injector.UG popup alert might wrongly claim to be acquiring from a law enforcement organization and will report having located youngster porn or other illegal information on the tool. The alert will likewise consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 125EC575
md5: b6fdae36704ac9590160e16e79b6369c
name: B6FDAE36704AC9590160E16E79B6369C.mlw
sha1: 93ea5c6604c698602847725a961a8e844a79a056
sha256: 7dcb69a2e72e7c552e93e21006b57d61146e989258c42cb40dac8606e5ba6993
sha512: 06d7bf404d976ab19b318f425cd6209eda287721b200e73a1c4233362fc7499a03d77f20d00b7f24e0d0df35a304297a4f0ad7d11b36178cf56f133c3e2e8f23
ssdeep: 6144:TB+pgU9aQdRuTAfSCkW1tiuO61QMoAmBRYdGU02TVhndIRrQ:TgVaQdlKA1SOYAadU02Zh20
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Injector.UG also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005065f91 )
ALYac Trojan.GenericKD.4449971
Zillya Trojan.Locky.Win32.2840
Sangfor Trojan.Win32.Generic.8
CrowdStrike win/malicious_confidence_90% (W)
BitDefender Trojan.GenericKD.4449971
K7GW Trojan ( 005065f91 )
Cybereason malicious.6704ac
Symantec Ransom.Cerber
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 90)
Kaspersky Trojan-Ransom.Win32.Locky.xnd
Alibaba Ransom:Win32/Locky.9ef7de31
NANO-Antivirus Trojan.Win32.Locky.engjes
MicroWorld-eScan Trojan.GenericKD.4449971
Tencent Win32.Trojan.Locky.Pikb
Ad-Aware Trojan.GenericKD.4449971
Sophos Mal/Generic-S
Comodo Malware@#1cnsl4m5u56cu
DrWeb Trojan.Encoder.3976
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.ObfusRansom.dc
FireEye Generic.mg.b6fdae36704ac959
Emsisoft Trojan.GenericKD.4449971 (B)
Avira TR/Dropper.Gen
GData Trojan.GenericKD.4449971
McAfee Artemis!B6FDAE36704A
MAX malware (ai score=86)
TrendMicro-HouseCall Ransom_OSIRIS.AUSPO
Fortinet W32/Injector.UG!tr
Panda Trj/CI.A
Qihoo-360 HEUR/QVM42.2.F1F3.Malware.Gen

How to remove NSIS/Injector.UG 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 NSIS/Injector.UG 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.UG you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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