Backdoor:Win32/Vawtrak.C

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

What is Backdoor:Win32/Vawtrak.C infection?

In this short article you will discover about the definition of Backdoor:Win32/Vawtrak.C and its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom by a sufferer.

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.

In the majority of the situations, Backdoor:Win32/Vawtrak.C virus will certainly instruct its sufferers to start funds transfer for the function of reducing the effects of the modifications that the Trojan infection has presented to the target’s gadget.

Backdoor:Win32/Vawtrak.C 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 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.
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • 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;
  • Code injection with CreateRemoteThread in a remote process;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • 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
  • Exhibits behavior characteristics of Vawtrak / Neverquest malware.;
  • Attempts to modify browser security settings;
  • Creates a copy of itself;
  • Attempts to disable browser security warnings;
  • Ciphering the papers located on the sufferer’s hard disk drive — so the target can no longer use the data;
  • Preventing routine 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.

Backdoor:Win32/Vawtrak.C

One of the most normal networks through which Backdoor:Win32/Vawtrak.C Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of user ending up on a resource that organizes a malicious software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or protect against the tool from operating in an appropriate fashion – while likewise putting a ransom note that states the demand for the targets to impact the settlement for the function of decrypting the documents or bring back the documents system back to the first problem. In the majority of circumstances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually already been harmed.

Backdoor:Win32/Vawtrak.C distribution networks.

In numerous corners of the world, Backdoor:Win32/Vawtrak.C expands by jumps and bounds. However, the ransom money notes and methods of obtaining the ransom money amount might vary relying on particular neighborhood (local) setups. The ransom notes and also techniques of extorting the ransom money amount may vary depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s device. The sharp then requires the user to pay the ransom.

    Faulty declarations about illegal material.

    In nations where software piracy is less prominent, this approach is not as effective for the cyber scams. Alternatively, the Backdoor:Win32/Vawtrak.C popup alert might wrongly claim to be deriving from a police organization and also will report having situated youngster porn or various other unlawful information on the gadget.

    Backdoor:Win32/Vawtrak.C popup alert might falsely assert to be acquiring from a legislation enforcement organization and also will certainly report having located child pornography or other illegal data on the device. The alert will in a similar way consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: 5093A3F4
md5: dd7a5ec536878cd2dc174856f287b77e
name: upload_file
sha1: f065ec5b83fb33f6381674539dd3dd99e0346af0
sha256: 71cc04f8bff5e8e2e017abeea0e2b288a58ef8af264c5b5a96115eb9a8baa40d
sha512: 09b3927eab77effa231b011acaabb7ff7cfcff8a0d855960fda54eae0211af0547df780ad25450bca75b8b450a387a1651ebf171bcf9fc16786ea41ca30a84da
ssdeep: 3072:qJeX8OBVi029wCW0zwPoce56vmVVaI9SlN5U+jeD5Cauj8ii4ysX:qSXFezCeVVaNteNujjP
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Tonec Inc., Copyright xa9 1999 - 2015
InternalName: IEMonitor
onitor Application: <x0cx01ProductVersion
FileVersion: 6, 22, 1, 1
CompanyName: Tonec Inc.
ecialBuild: D
PrivateBuild: Lx16x01ProductName
LegalTrademarks: Internet Download Manager
Comments: Internet Download Manager agent for click monitoring in IE-based browsers
22, 1, 1:
FileDescription: Internet Download Manager agent for click monitoring in IE-based browsers
OriginalFilename: IEMonitor.EXE
Translation: 0x0409 0x04b0

Backdoor:Win32/Vawtrak.C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Cerber.1
McAfee Packed-AM!DD7A5EC53687
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 005224381 )
BitDefender Trojan.Ransom.Cerber.1
K7GW Trojan ( 005224381 )
CrowdStrike win/malicious_confidence_100% (D)
Invincea Mal/Generic-S + Mal/Gozi-D
BitDefenderTheta Gen:NN.ZedlaF.34282.ou8@aadsWdki
Symantec Packed.Generic.459
Baidu Win32.Trojan.Kryptik.anp
TrendMicro-HouseCall Ransom_CERBER.SMEJ5
ClamAV Win.Trojan.Emotet-6894547-0
Kaspersky HEUR:Packed.Win32.Mentiger.gen
NANO-Antivirus Trojan.Win32.Vawtrak.eviqmw
Ad-Aware Trojan.Ransom.Cerber.1
Sophos Mal/Gozi-D
Comodo TrojWare.Win32.Swizzor.LMG@6hcnyz
F-Secure Heuristic.HEUR/AGEN.1105834
DrWeb Trojan.Packed
TrendMicro Ransom_CERBER.SMEJ5
McAfee-GW-Edition Packed-AM!DD7A5EC53687
FireEye Generic.mg.dd7a5ec536878cd2
Emsisoft Trojan.Ransom.Cerber.1 (B)
APEX Malicious
Avira HEUR/AGEN.1105834
Microsoft Backdoor:Win32/Vawtrak.C
Arcabit Trojan.Ransom.Cerber.1
ZoneAlarm HEUR:Packed.Win32.Mentiger.gen
GData Trojan.Ransom.Cerber.1
Cynet Malicious (score: 100)
AhnLab-V3 HEUR/Malga.D708.X1491
Acronis suspicious
VBA32 BScope.Trojan.Jorik
ALYac Trojan.Ransom.Cerber.1
MAX malware (ai score=98)
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.EHXU
Rising Trojan.Kryptik!1.AE9C (CLASSIC)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Locky.FGA!tr.ransom
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Trojan.433

How to remove Backdoor:Win32/Vawtrak.C 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Backdoor:Win32/Vawtrak.C 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 Backdoor:Win32/Vawtrak.C 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