TrojanSpy:MSIL/Yakbeex.A

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

What is TrojanSpy:MSIL/Yakbeex.A infection?

In this article you will find about the definition of TrojanSpy:MSIL/Yakbeex.A as well as its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to require 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 | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the instances, TrojanSpy:MSIL/Yakbeex.A virus will certainly advise its sufferers to launch funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s device.

TrojanSpy:MSIL/Yakbeex.A Summary

These modifications can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Steals private information from local Internet browsers;
  • Exhibits behavior characteristic of Kibex Spyware/KeyBase Keylogger;
  • 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 copy of itself;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Ciphering the records found on the sufferer’s hard drive — so the victim can no longer use the information;
  • Preventing normal accessibility 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.

TrojanSpy:MSIL/Yakbeex.A

One of the most normal channels whereby TrojanSpy:MSIL/Yakbeex.A Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a resource that hosts a malicious software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or prevent the device from working in an appropriate way – while also positioning a ransom note that states the requirement for the targets to effect the settlement for the function of decrypting the documents or bring back the file system back to the initial condition. In most circumstances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually already been damaged.

TrojanSpy:MSIL/Yakbeex.A circulation channels.

In different corners of the world, TrojanSpy:MSIL/Yakbeex.A grows by jumps as well as bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom quantity might vary depending on specific local (local) setups. The ransom money notes as well as methods of obtaining the ransom money amount might differ depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the sufferer’s tool. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about prohibited web content.

    In countries where software piracy is much less prominent, this approach is not as effective for the cyber fraudulences. Additionally, the TrojanSpy:MSIL/Yakbeex.A popup alert might falsely assert to be deriving from a police establishment as well as will certainly report having located kid porn or various other prohibited data on the device.

    TrojanSpy:MSIL/Yakbeex.A popup alert might falsely claim to be obtaining from a regulation enforcement establishment as well as will report having situated child pornography or other unlawful data on the gadget. The alert will similarly have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 0C32BB5F
md5: a0af6130f856c0c39ad4396932f34c68
name: A0AF6130F856C0C39AD4396932F34C68.mlw
sha1: 40ceccbe84b02ca3688b86c37aa3d98c687c2270
sha256: 9277d242831a05b47e06e3563c88610ae66935b3a7cd59da7a23aad4fac03848
sha512: fc1318d516b17b7dd24044c6343b81c7757b0b030b8d8180c17cb474c8dbfdc0adebdd8cda05b3a65b62fc92b0025141be892c28c30bdbabd2559e0cfda5b5ab
ssdeep: 12288:0PRBddA1BIdj/Ftx6/QV/Zxc0kim/XPZLTrXkx24:0ZdsIdj9bXLAiyFfXkx
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: incomplete details.exe
FileVersion: 6.2.2.0
CompanyName: Skype Technologies S.A.
Comments: Skype
ProductVersion: 6.2.2.0
FileDescription: Skype
OriginalFilename: incomplete details.exe

TrojanSpy:MSIL/Yakbeex.A also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0053564e1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Siggen1.31244
CynetMalicious (score: 85)
ALYacGen:Variant.Razy.139018
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.29546
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Kryptik.ali2000016
K7GWTrojan ( 0053564e1 )
Cybereasonmalicious.0f856c
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Spy.Agent.ADH
APEXMalicious
AvastMSIL:Keybase-A [Trj]
ClamAVWin.Dropper.Razy-6561332-0
KasperskyTrojan-Ransom.Win32.Blocker.grcx
BitDefenderGen:Variant.Razy.139018
NANO-AntivirusTrojan.Win32.BrowserThief.dztlwz
MicroWorld-eScanGen:Variant.Razy.139018
TencentWin32.Trojan.Blocker.Llhf
Ad-AwareGen:Variant.Razy.139018
SophosMal/Generic-S
ComodoMalware@#23ntf5qgqxyqa
BitDefenderThetaGen:NN.ZemsilF.34628.Hm0@aWrSddf
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.hc
FireEyeGeneric.mg.a0af6130f856c0c3
EmsisoftGen:Variant.Razy.139018 (B)
SentinelOneStatic AI – Malicious PE
WebrootW32.Trojan.Gen
AviraTR/Dropper.MSIL.Gen8
eGambitUnsafe.AI_Score_100%
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojanSpy:MSIL/Yakbeex.A
AegisLabTrojan.Win32.Generic.mBzb
GDataMSIL.Trojan-Spy.Asomallog.A
AhnLab-V3Spyware/Win32.Limitail.R153014
McAfeePWS-FCDU!A0AF6130F856
MAXmalware (ai score=80)
VBA32TScope.Trojan.MSIL
MalwarebytesSpyware.KeyBase
PandaTrj/CI.A
RisingSpyware.KeyBase!1.CC54 (CLOUD)
YandexTrojan.Blocker!kamGBZ2wrGk
IkarusTrojan-Spy.Agent
MaxSecureTrojan.Malware.109196004.susgen
FortinetMSIL/Agent.ADR!tr.spy
AVGMSIL:Keybase-A [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Blocker.HgIASOYA

How to remove TrojanSpy:MSIL/Yakbeex.A 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 TrojanSpy:MSIL/Yakbeex.A 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 TrojanSpy:MSIL/Yakbeex.A 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: https://gridinsoft.com/comparison

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.

Leave a Reply

Sending