Win32/Injector.CRRU

Written by Robert Bailey

What is Win32/Injector.CRRU infection?

In this article you will discover concerning the meaning of Win32/Injector.CRRU as well as its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom money by a target.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
GridinSoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | GridinSoft

Most of the situations, Win32/Injector.CRRU virus will certainly advise its targets to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s gadget.

Win32/Injector.CRRU 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.

  • Unconventionial language used in binary resources: Portuguese;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s disk drive — so the victim can no longer make use of the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Trojan-Ransom.Win32.Cryakl.ain
a.tomx.xyz Trojan-Ransom.Win32.Cryakl.ain

Win32/Injector.CRRU

One of the most typical channels whereby Win32/Injector.CRRU Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a malicious software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the target’s PC or prevent the gadget from operating in an appropriate fashion – while likewise placing a ransom money note that states the need for the sufferers to effect the settlement for the function of decrypting the papers or bring back the documents system back to the first problem. In the majority of instances, the ransom money note will show up when the customer restarts the COMPUTER after the system has currently been damaged.

Win32/Injector.CRRU distribution networks.

In numerous edges of the globe, Win32/Injector.CRRU expands by leaps and also bounds. However, the ransom money notes as well as tricks of obtaining the ransom money quantity might differ depending upon particular local (local) setups. The ransom money notes and also methods of extorting the ransom money amount might vary depending on particular local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In particular locations, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the victim’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In nations where software program piracy is less prominent, this method is not as effective for the cyber fraudulences. Conversely, the Win32/Injector.CRRU popup alert might incorrectly claim to be deriving from a law enforcement institution as well as will report having located youngster pornography or various other unlawful information on the gadget.

    Win32/Injector.CRRU popup alert might wrongly claim to be acquiring from a law enforcement institution and will report having located youngster pornography or various other prohibited data on the device. The alert will likewise have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: E327CC6A
md5: ab8a84a7c09c3c41b1a2d09418379723
name: AB8A84A7C09C3C41B1A2D09418379723.mlw
sha1: 5faaaeeed2d980bca2ba48c0db2b5f66d8e2ed0a
sha256: 63a8f36af4e4edd46351d551a50fdbbcc44c74f8163cafa545161ec60210c831
sha512: d45ab0163aa3e25ab07942a21726bfaffcdf3a35899a93c8fa56a47224de65e0f1ef7c3b9191a8a89fb9c4e78faf30290e839ae1028f06802d91e797484c5a04
ssdeep: 12288:/k/+7TOoBBIZEg7oZMRbpaCviaGHU4MuNoup8nP4VeSXxW7Tot:/k/NoZMjigupaAVHW7Tot
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: ErrHandler
FileVersion: 1.00.0015
CompanyName: FLaSh game profiles of people named Bloodwitch
LegalTrademarks: TOZQ2p1
Comments: The latest Tweets from Fernanda Almeida
ProductName: YwFJ0kf
ProductVersion: 1.00.0015
FileDescription: Diffuse Reflection Sensor with Background Suppression. FERW/0P
OriginalFilename: ErrHandler.exe

Win32/Injector.CRRU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3991 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.Crypt.Gen.1
Cylance Unsafe
Zillya Trojan.Crypmod.Win32.225
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0055e3991 )
Cybereason malicious.7c09c3
Symantec Infostealer.Bancos
ESET-NOD32 a variant of Win32/Injector.CRRU
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Emotet-6444504-0
Kaspersky Trojan-Ransom.Win32.Cryakl.ain
BitDefender Trojan.Crypt.Gen.1
NANO-Antivirus Trojan.Win32.MlwGen.eadtah
MicroWorld-eScan Trojan.Crypt.Gen.1
Tencent Malware.Win32.Gencirc.114c10c5
Ad-Aware Trojan.Crypt.Gen.1
Sophos ML/PE-A
Comodo Malware@#5cdbelph5v3s
BitDefenderTheta AI:Packer.7E183D1021
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPMOD.A
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.hc
FireEye Generic.mg.ab8a84a7c09c3c41
Emsisoft Trojan.Crypt.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Cryakl.gl
Avira HEUR/AGEN.1107464
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.16F7257
Microsoft Ransom:Win32/Criakl.D
Arcabit Trojan.Crypt.Gen.1
AegisLab Trojan.Win32.Crypmod.j!c
GData Trojan.Crypt.Gen.1
McAfee GenericR-FWE!AB8A84A7C09C
MAX malware (ai score=94)
VBA32 Hoax.Cryakl
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPMOD.A
Rising Ransom.Criakl!8.1B3B (CLOUD)
Yandex Trojan.GenAsa!m4Xwzxp65Hg
Ikarus Trojan.Win32.Kovter
Fortinet W32/CRJX!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Injector.CRRU 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 Win32/Injector.CRRU 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Injector.CRRU you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

About the author

Robert Bailey

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

Leave a Reply

Sending

This site uses Akismet to reduce spam. Learn how your comment data is processed.