Trojan:Win32/CryptInject.RBA!MTB

What is Trojan:Win32/CryptInject.RBA!MTB infection?

In this article you will discover concerning the meaning of Trojan:Win32/CryptInject.RBA!MTB and its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

In the majority of the instances, Trojan:Win32/CryptInject.RBA!MTB ransomware will instruct its sufferers to start funds move for the objective of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s device.

Trojan:Win32/CryptInject.RBA!MTB Summary

These alterations 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.
  • 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.
  • A process attempted to delay the analysis task.;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Sanskrit;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Detects Avast Antivirus through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Detects Sandboxie through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Attempts to modify or disable Security Center warnings;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s hard disk — so the victim can no more use the information;
  • Preventing normal access to the victim’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
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Trojan:Win32/CryptInject.RBA!MTB

One of the most common channels through which Trojan:Win32/CryptInject.RBA!MTB are infused are:

  • By methods of phishing emails;
  • As an effect of user ending up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or avoid the tool from working in an appropriate way – while likewise placing a ransom money note that states the need for the sufferers to impact the settlement for the function of decrypting the documents or bring back the data system back to the initial condition. In the majority of instances, the ransom note will turn up when the client restarts the PC after the system has already been harmed.

Trojan:Win32/CryptInject.RBA!MTB circulation networks.

In numerous edges of the world, Trojan:Win32/CryptInject.RBA!MTB expands by leaps and bounds. However, the ransom notes and also tricks of obtaining the ransom money amount might vary relying on specific local (regional) setups. The ransom money notes and also tricks of extorting the ransom quantity may vary depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the victim’s gadget. The alert after that requires the individual to pay the ransom.

    Faulty declarations concerning illegal material.

    In nations where software program piracy is much less prominent, this technique is not as efficient for the cyber scams. Additionally, the Trojan:Win32/CryptInject.RBA!MTB popup alert may falsely claim to be deriving from a police establishment and will report having situated youngster porn or various other illegal information on the device.

    Trojan:Win32/CryptInject.RBA!MTB popup alert might falsely assert to be deriving from a law enforcement institution and also will certainly report having located child pornography or other unlawful information on the gadget. The alert will similarly consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: FAFF215Bmd5: ead95d0431d34ff264ba6d2bd6ca45dfname: 32.exesha1: 12cb2570b5b7accd115753c5fa24c18f4a6b81c2sha256: 7885b8275f0732b84c0a8b7a212cdd9e27be2a408b9385d911fbdb0563c55115sha512: bf851128c2a84da41972c56d1ea9a67db5cea39a4edfd7076ea7b45b486aa87915a7d2af70a4cf2b3a14ee4a2da92f9ee5ea2bef48efaf0ce1652d010a7f443dssdeep: 3072:nH+2qtmnSDdngE+BzdEcF3UhLCaFqJl468WHYn57Wq:H5SDdgXBzdMhRFqzH8aYn571type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalNamed: eczvjphvesv.ixeFileVersionOld: 1.2.0.1ProductVersion: 1.0.4.1Copyrighd: Copyrighd (C) 2020, odfgbivTranslation: 0x0842 0x04c4

Trojan:Win32/CryptInject.RBA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.FamVT.RanpetTW.Trojan
MicroWorld-eScan Trojan.GenericKD.43363621
McAfee RDN/Generic.dx
Cylance Unsafe
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.43363621
K7GW Trojan ( 005691ff1 )
K7AntiVirus Trojan ( 005691ff1 )
Invincea heuristic
Cyren W32/Wacatac.BV.gen!Eldorado
Symantec Ransom.Wannacry
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Malware.Generic-8119045-0
GData Trojan.GenericKD.43363621
Kaspersky Trojan.Win32.Fsysna.gluc
Alibaba Trojan:Win32/GandCrypt.9a0b74da
ViRobot Trojan.Win32.Z.Kryptik.230400.VQ
Ad-Aware Trojan.GenericKD.43363621
Sophos Mal/GandCrab-G
Comodo Malware@#1vyzmwxudaqbv
F-Secure Trojan.TR/AD.Phorpiex.coeke
DrWeb Trojan.Siggen9.55348
VIPRE Trojan.Win32.Generic!BT
TrendMicro Trojan.Win32.WACATAC.USXVPFK20
McAfee-GW-Edition BehavesLike.Win32.Trojan.dh
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.ead95d0431d34ff2
Emsisoft Trojan.GenericKD.43363621 (B)
SentinelOne DFI – Malicious PE
F-Prot W32/Wacatac.BV.gen!Eldorado
Jiangmin Trojan.Fsysna.lnt
Webroot W32.Malware.Gen
Avira TR/AD.Phorpiex.coeke
Antiy-AVL Trojan/Win32.Fsysna
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D295AD25
ZoneAlarm Trojan.Win32.Fsysna.gluc
Microsoft Trojan:Win32/CryptInject.RBA!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.RL_MalPe.R341219
Acronis suspicious
ALYac Trojan.Agent.Phorpiex
MAX malware (ai score=100)
VBA32 TrojanSpy.Agent
Malwarebytes Spyware.RaccoonStealer
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.HEEX
TrendMicro-HouseCall Trojan.Win32.WACATAC.USXVPFK20
Rising Trojan.Kryptik!8.8 (CLOUD)
Ikarus Trojan.Win32.Crypt
eGambit Unsafe.AI_Score_95%
Fortinet W32/Kryptik.HEFS!tr
BitDefenderTheta Gen:NN.ZexaF.34128.oC0@aOGbVEkG
AVG Win32:Malware-gen
Cybereason malicious.0b5b7a
Paloalto generic.ml
Qihoo-360 Generic/HEUR/QVM10.2.01E0.Malware.Gen

How to remove Trojan:Win32/CryptInject.RBA!MTB 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan:Win32/CryptInject.RBA!MTB you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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