NSIS/Injector.ASR Virus Removal

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

Seeing the NSIS/Injector.ASR malware detection means that your PC is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.

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NSIS/Injector.ASR detection is a malware detection you can spectate in your computer. It usually shows up after the preliminary activities on your computer – opening the dubious e-mail messages, clicking the advertisement in the Web or setting up the program from dubious sources. From the moment it appears, you have a short time to act until it begins its malicious action. And be sure – it is better not to wait for these destructive actions.

What is NSIS/Injector.ASR virus?

NSIS/Injector.ASR is ransomware-type malware. It looks for the files on your disks, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware additionally does a lot of harm to your system. It modifies the networking settings in order to stop you from looking for the removal guidelines or downloading the antivirus. In some cases, NSIS/Injector.ASR can additionally block the launching of anti-malware programs.

NSIS/Injector.ASR Summary

In total, NSIS/Injector.ASR virus activities in the infected computer are next:

  • Sample contains Overlay data;
  • Reads data out of its own binary image;
  • Authenticode signature is invalid;
  • Encrypting the documents located on the victim’s disks — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a nightmare for the last 4 years. It is hard to realize a more harmful malware for both individuals and organizations. The algorithms used in NSIS/Injector.ASR (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these horrible things instantly – it may require up to several hours to cipher all of your files. Hence, seeing the NSIS/Injector.ASR detection is a clear signal that you need to begin the removal process.

Where did I get the NSIS/Injector.ASR?

Usual ways of NSIS/Injector.ASR distribution are standard for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free app, so-called bait emails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you receive the email that simulates some standard notifications about shipments or bank service conditions shifts. Inside of the email, there is a malicious MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks fairly simple, but still demands a lot of recognition. Malware can hide in various spots, and it is far better to prevent it even before it goes into your PC than to trust in an anti-malware program. Common cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a computer remains on YouTube videos. That may save you a lot of money and time which you would spend while looking for a fixing guide.

NSIS/Injector.ASR malware technical details

File Info:

name: 2D1EE0849F998B30E2CB.mlw
path: /opt/CAPEv2/storage/binaries/a4aa67dfffe77270e965e67519e39ea1ebf00694cef1ef9b2e15426c7703ad6d
crc32: 2F9E315F
md5: 2d1ee0849f998b30e2cbb9dc4a4fe7a1
sha1: 252b16badf62da70d107e0ae12175ec36b1a981d
sha256: a4aa67dfffe77270e965e67519e39ea1ebf00694cef1ef9b2e15426c7703ad6d
sha512: 9ce9cc6590d89cab5a09104890edde4b0d7d17c0002707b1481ac34fdfc1d9e056db2cac5036d28c4dc982c8ad60ba3127e8e2ee17b6814acf82a01acd20ff85
ssdeep: 24576:lbvjcpTfjFInk93/AsS9DYHOkWl9vsPkh7Yz6jSNvoGjdCPl:N7cxf8y4jhNkYxsoYBoGG
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1968523F3E6065C86F43B45715BF96E210A7E7F7B80F16AC9220978E734D744288A7A07
sha3_384: f1159acb35dd29bf4e572d8b08afe0ae6d8f7e4eac677ea5a7c5d72996665e33da91f55619e2411b08aeee8bd8f4fd40
ep_bytes: 558bec81ecf40300005356576a205f33
timestamp: 2021-09-25 21:57:46

Version Info:

0: [No Data]

NSIS/Injector.ASR also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Agent.b!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.60044635
ALYac Trojan.Ransom.LockBit
Cylance unsafe
Zillya Dropper.Agent.Win32.535439
Sangfor Ransom.Win32.Injector.V3wp
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/lockbit.36f9a26e
K7GW Trojan ( 00590d611 )
K7AntiVirus Trojan ( 00590d611 )
Symantec Downloader
ESET-NOD32 NSIS/Injector.ASR
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky HEUR:Trojan-Dropper.Win32.Agent.gen
BitDefender Trojan.GenericKD.60044635
Avast NSIS:RansomX-gen [Ransom]
Rising Trojan.Injector/NSIS!1.BFBB (CLASSIC)
Emsisoft Trojan.GenericKD.60044635 (B)
F-Secure Heuristic.HEUR/AGEN.1337980
VIPRE Trojan.GenericKD.60044635
TrendMicro Ransom.Win32.LOCKBIT.YXDAK
McAfee-GW-Edition BehavesLike.Win32.Dropper.th
FireEye Generic.mg.2d1ee0849f998b30
Sophos Mal/Generic-S
Avira HEUR/AGEN.1337980
Microsoft Ransom:Win32/lockbit!MSR
Arcabit Trojan.Generic.D394355B
ViRobot Trojan.Win32.S.RSLockBit.1718128
ZoneAlarm HEUR:Trojan-Dropper.Win32.Agent.gen
GData Trojan.GenericKD.60044635
AhnLab-V3 Ransomware/Win.LockBit.C5113860
Acronis suspicious
McAfee Artemis!2D1EE0849F99
MAX malware (ai score=100)
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
TrendMicro-HouseCall Ransom.Win32.LOCKBIT.YXDAK
Tencent Win32.Trojan-Dropper.Agent.Gflw
Fortinet NSIS/Injector.ASR!tr
AVG NSIS:RansomX-gen [Ransom]
Cybereason malicious.49f998
DeepInstinct MALICIOUS

How to remove NSIS/Injector.ASR?

NSIS/Injector.ASR malware is extremely difficult to remove by hand. It places its files in multiple locations throughout the disk, and can restore itself from one of the parts. Furthermore, a number of alterations in the registry, networking configurations and also Group Policies are really hard to discover and revert to the original. It is better to use a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

Remove NSIS/Injector.ASR with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove NSIS/Injector.ASR as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for NSIS/Injector.ASR Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The NSIS/Injector.ASR was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The NSIS/Injector.ASR has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “NSIS/Injector.ASR” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching NSIS/Injector.ASR Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching NSIS/Injector.ASR Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing NSIS/Injector.ASR and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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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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