Exploit.CVE20167255

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

What is Exploit.CVE20167255 infection?

In this short article you will find about the meaning of Exploit.CVE20167255 and its unfavorable influence on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to demand paying the ransom by a victim.

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In the majority of the cases, Exploit.CVE20167255 infection will certainly instruct its targets to launch funds transfer for the purpose of neutralizing the modifications that the Trojan infection has presented to the sufferer’s tool.

Exploit.CVE20167255 Summary

These adjustments 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.
  • 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.;
  • 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.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the target’s hard disk — so the target can no more make use of the information;
  • Preventing routine accessibility 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
ipv4bot.whatismyipaddress.com Trojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
carder.bit Trojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
ransomware.bit Trojan.Ransom.GandCrab.Gen.2

Exploit.CVE20167255

One of the most normal networks whereby Exploit.CVE20167255 Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer ending up on a resource that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will either cipher the data on the victim’s computer or stop the tool from functioning in a proper way – while likewise placing a ransom note that points out the need for the targets to impact the payment for the objective of decrypting the papers or bring back the documents system back to the initial problem. In a lot of instances, the ransom note will come up when the client reboots the PC after the system has already been harmed.

Exploit.CVE20167255 circulation channels.

In numerous corners of the world, Exploit.CVE20167255 grows by jumps and also bounds. However, the ransom money notes and also tricks of obtaining the ransom money quantity might vary relying on specific local (local) setups. The ransom notes and methods of extorting the ransom quantity might differ depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s device. The alert then demands the individual to pay the ransom.

    Faulty statements about illegal material.

    In nations where software program piracy is much less popular, this technique is not as effective for the cyber frauds. Alternatively, the Exploit.CVE20167255 popup alert might wrongly claim to be originating from a law enforcement institution and will report having situated youngster porn or various other prohibited information on the device.

    Exploit.CVE20167255 popup alert may incorrectly claim to be deriving from a law enforcement establishment and will report having located child pornography or various other unlawful data on the device. The alert will similarly include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 504724E6
md5: 46336f5d40640c2b25a2238b32545243
name: 46336F5D40640C2B25A2238B32545243.mlw
sha1: 913d9cdd875de0137902b7d8c20f6a604d53c52c
sha256: 4e1ad61d1457e11a050cdd335ddc680002b2a5aa4381d9e325efe9ddb318ce97
sha512: 48af5c3faef4f16b1b66476b27c7378242e2c32c54ed90e28c1e4e04bd5821ab083f48a73af46bb1a713e95d75a38dc5e142bb979d6fefb32754f3ce2bbc12b6
ssdeep: 3072:5Rg1EqJt5oBc6P591+n5rWf/JDVtKv3v91bo2wNxs25G8sTmZ3VjhfcB29IOSyE:5RgHMrgEf/dTk3vfoEBXCthkaS3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, effnaxfuv
InternalName: toalatspring.exe
FileVersion: 5.1
ProductVersion: 5.1.111.0
Translation: 0x0789 0x04b1

Exploit.CVE20167255 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
FireEye Generic.mg.46336f5d40640c2b
CAT-QuickHeal Trojan.Cloxer.A06
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Win.Packed.Gandcrab-6520432-4
K7AntiVirus Trojan ( 003e58dd1 )
BitDefender Trojan.Ransom.GandCrab.Gen.2
K7GW Trojan ( 0056ea8e1 )
Cybereason malicious.d40640
Cyren W32/S-9659e02a!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Gandcrab-6535271-0
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Chapak.faykjx
ViRobot Trojan.Win32.GandCrab.Gen.A
AegisLab Hacktool.Win32.CVE-2016-7255.3!c
Rising Trojan.Kryptik!8.8 (CLOUD)
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
Comodo TrojWare.Win32.Magniber.GH@7mr2pk
F-Secure Heuristic.HEUR/AGEN.1102756
DrWeb Trojan.MulDrop8.17708
Zillya Exploit.CVE.Win32.2126
TrendMicro Ransom_GANDCRAB.SMALY-5
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
MaxSecure Ransomeware.CRAB.gen
Sophos ML/PE-A + Mal/Agent-AUL
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.PSW.Fareit.snh
Avira HEUR/AGEN.1102756
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Ransom:Win32/Gandcrab.SF!MTB
Arcabit Trojan.Ransom.GandCrab.Gen.2
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.GandCrab.Gen.2
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee GenericRXFG-AZ!46336F5D4064
TACHYON Ransom/W32.GandCrab
VBA32 BScope.Exploit.CVE-2016-7255
Malwarebytes Exploit.CVE20167255
Panda Trj/Genetic.gen
ESET-NOD32 Win32/Filecoder.GandCrab.B
TrendMicro-HouseCall Ransom_GANDCRAB.SMALY-5
Tencent Malware.Win32.Gencirc.10b150b4
Yandex Trojan.PWS.Coins!P004/XsNcgk
Ikarus Trojan.Kryptik
Fortinet W32/GenKryptik.DQHN!tr
BitDefenderTheta Gen:NN.ZexaF.34590.ou1@amfTd1oi
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Ransom.ec9

How to remove Exploit.CVE20167255 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

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 Exploit.CVE20167255 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 Exploit.CVE20167255 you can always ask me in the comments for getting help.

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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.

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