Win32/Injector.CWKU Virus Removal

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

Seeing the Win32/Injector.CWKU detection usually means that your system is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.

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Win32/Injector.CWKU detection is a malware detection you can spectate in your system. It usually shows up after the provoking procedures on your computer – opening the dubious e-mail, clicking the advertisement in the Web or mounting the program from untrustworthy sources. From the moment it shows up, you have a short time to do something about it until it starts its harmful action. And be sure – it is far better not to await these harmful things.

What is Win32/Injector.CWKU virus?

Win32/Injector.CWKU is ransomware-type malware. It looks for the documents on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a ton of damage to your system. It alters the networking setups in order to stop you from looking for the removal articles or downloading the antivirus. In rare cases, Win32/Injector.CWKU can even block the launching of anti-malware programs.

Win32/Injector.CWKU Summary

In summary, Win32/Injector.CWKU malware actions in the infected PC are next:

  • Authenticode signature is invalid;
  • Encrypting the documents located on the victim’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a headache for the last 4 years. It is difficult to realize a more damaging malware for both individuals and corporations. The algorithms utilized in Win32/Injector.CWKU (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these terrible things immediately – it may require up to several hours to cipher all of your documents. Hence, seeing the Win32/Injector.CWKU detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Win32/Injector.CWKU?

Usual ways of Win32/Injector.CWKU distribution are usual for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively new tactic in malware distribution – you receive the email that mimics some standard notifications about deliveries or bank service conditions modifications. Within the email, there is a corrupted MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks fairly simple, however, still demands a lot of attention. Malware can hide in different spots, and it is better to prevent it even before it goes into your PC than to rely on an anti-malware program. Essential cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a computer remains on YouTube videos. That may keep you a lot of time and money which you would spend while seeking a solution.

Win32/Injector.CWKU malware technical details

File Info:

name: 4E143B51DBC3970A210F.mlw
path: /opt/CAPEv2/storage/binaries/150ef00120ec0ef7f465839cbb7691251e7793a5c8df97ac0d7ac3ca9b3cbce6
crc32: AA363930
md5: 4e143b51dbc3970a210f2d1d7e4088ed
sha1: 7d0c0ad6b39bcd0f3f71b75f201673b83569e078
sha256: 150ef00120ec0ef7f465839cbb7691251e7793a5c8df97ac0d7ac3ca9b3cbce6
sha512: bd226e93fe09740cc43378acd0096c37784cc725c7c7b8d56c15b574e5ed3b0a46a0dbaca4e5799ba632c0876c1c508b9e148d8efc7696b8910d0a982b344464
ssdeep: 96:oiZ4WPN1XK1sXUbQtKvvSh+KlKeAyFMF4kNmhkmGKb1XxMK6OWCRfEjR:hxXUIKvvSoIKe/MF9cuKb1ykfEjR
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T1D9D1E7B2E3C960F1ECC90B72018B763B551B79243795D75C254766A2273AB217F71343
sha3_384: f6e9e05ca6b52f1f59bfca040acaf7c2a4ed8afe187fe0467977db3f49e38a1aac14cfd898615eea7de62140dc577ab1
ep_bytes: a19430001083f81175238b0d24300010
timestamp: 2004-03-13 12:18:00

Version Info:

0: [No Data]

Win32/Injector.CWKU also known as:

Bkav W32.Common.1A4A7321
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.Cryptolocker.4
CAT-QuickHeal Trojan.Multi
Skyhigh Trojan-FIGL!4E143B51DBC3
McAfee Trojan-FIGL!4E143B51DBC3
Cylance unsafe
Zillya Trojan.Injector.Win32.373349
Sangfor Trojan.Win32.Injector.Vjfq
K7AntiVirus Trojan ( 0055e3991 )
Alibaba Trojan:Win32/Injector.30ce0e66
K7GW Trojan ( 0055e3991 )
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.Ransom.Cryptolocker.4
BitDefenderTheta Gen:NN.ZedlaF.36680.au4@aypowSei
VirIT Trojan.Win32.Inject3.AJUL
Symantec Trojan.Gen.2
ESET-NOD32 Win32/Injector.CWKU
Cynet Malicious (score: 100)
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Variant.Ransom.Cryptolocker.4
NANO-Antivirus Trojan.Win32.Inject.echnev
Avast Win32:Malware-gen
Tencent Win32.Trojan.Inject.Ljgl
Emsisoft Gen:Variant.Ransom.Cryptolocker.4 (B)
F-Secure Trojan.TR/Injector.CWKU
VIPRE Gen:Variant.Ransom.Cryptolocker.4
TrendMicro TROJ_GEN.R002C0PA224
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Injector
Webroot W32.Malware.Gen
Avira TR/Injector.CWKU
Antiy-AVL Trojan/Win32.Injector
Kingsoft malware.kb.a.825
Microsoft Trojan:Win32/Kovter!rfn
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Gen:Variant.Ransom.Cryptolocker.4
Google Detected
ALYac Gen:Variant.Ransom.Cryptolocker.4
VBA32 Trojan.Kovter
Panda Trj/Chgt.AD
TrendMicro-HouseCall TROJ_GEN.R002C0PA224
Rising Ransom.GandCrab!8.F355 (TFE:5:kqkgouoRymG)
Yandex Trojan.Injector!Vh9rPkFZFk8
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Injector.CWKU!tr
AVG Win32:Malware-gen
DeepInstinct MALICIOUS

How to remove Win32/Injector.CWKU?

Win32/Injector.CWKU malware is incredibly difficult to delete manually. It puts its files in several locations throughout the disk, and can get back itself from one of the elements. In addition, numerous modifications in the windows registry, networking settings and Group Policies are fairly hard to find and revert to the original. It is better to utilize a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal objectives.

Remove Win32/Injector.CWKU 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 Win32/Injector.CWKU 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

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


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 Win32/Injector.CWKU 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 Win32/Injector.CWKU 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 Win32/Injector.CWKU 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 “Win32/Injector.CWKU” 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 ( 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 Win32/Injector.CWKU Virus

Step 4: Remove Found Threats:

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

Searching Win32/Injector.CWKU 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 Win32/Injector.CWKU 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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