Adware.DownloadAssistant

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

What is Adware.DownloadAssistant infection?

In this article you will certainly locate regarding the interpretation of Adware.DownloadAssistant and also its negative impact on your computer system. Such ransomware are a form of malware that is specified by on the internet frauds to demand paying the ransom by a sufferer.

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In the majority of the situations, Adware.DownloadAssistant infection will advise its victims to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually presented to the target’s device.

Adware.DownloadAssistant Summary

These alterations can be as adheres to:

  • 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.
  • 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.

  • 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.
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Attempts to identify installed AV products by installation directory;
  • Ciphering the documents situated on the victim’s hard disk — so the victim can no longer use the information;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
mastergamenameper.clubRansom.Wannacry

Adware.DownloadAssistant

One of the most regular networks where Adware.DownloadAssistant Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that organizes a destructive software;

As soon as the Trojan is effectively injected, it will either cipher the information on the victim’s PC or prevent the gadget from operating in a proper way – while additionally positioning a ransom note that points out the requirement for the targets to effect the repayment for the function of decrypting the files or restoring the documents system back to the preliminary condition. In the majority of circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has already been damaged.

Adware.DownloadAssistant circulation channels.

In numerous edges of the world, Adware.DownloadAssistant expands by leaps and also bounds. Nevertheless, the ransom money notes and also methods of extorting the ransom quantity may differ relying on specific local (local) setups. The ransom notes as well as methods of obtaining the ransom money amount may vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans often wrongfully report having identified some unlicensed applications enabled on the victim’s tool. The sharp after that requires the user to pay the ransom.

    Faulty declarations concerning prohibited content.

    In nations where software piracy is much less preferred, this approach is not as efficient for the cyber fraudulences. Conversely, the Adware.DownloadAssistant popup alert might incorrectly claim to be stemming from a law enforcement organization and will report having located youngster pornography or various other illegal information on the gadget.

    Adware.DownloadAssistant popup alert may falsely declare to be deriving from a law enforcement organization and will report having situated kid porn or various other illegal information on the device. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: 27C8C2DA
md5: 2bdd4c0661cd51d1ecd850083475cd0e
name: 2BDD4C0661CD51D1ECD850083475CD0E.mlw
sha1: 358e552954702bd7b0c7b18620793c6350e9cc47
sha256: 1b48c024d6c591872f68846edd43ea956e58db9977319d594e8ca59ef91d06c4
sha512: 32331dda07a14b77424fb1fdf2cb09dd24b9e67d5dbe84c8b683908c1a623a0ee4cd0fe48f8933d3660c87e8548425c10b5a9fb0411c81993a5d63bd87e779bb
ssdeep: 49152:avQ9neK9w2Xv2MklhFl7uaL3dZSn3+qgWlRpsbgkjEpnN3Atd47T62K9hr34h9Jk:miPuZlEaDSNrzp8ggMkd12shr34TJJC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion: 1.0.0.3
CompanyName: IUbit Software, Inc.
Comments: This installation was built with Inno Setup.
ProductName: SuNativeMessage
ProductVersion: 1.0.0.3
FileDescription: Native Message Application
Translation: 0x0000 0x04b0

Adware.DownloadAssistant also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 005722fe1 )
K7GWTrojan ( 005722fe1 )
SymantecRansom.Wannacry
APEXMalicious
AvastWin32:AdwareX-gen [Adw]
ClamAVWin.Downloader.Razy-9805097-0
KasperskyHEUR:Trojan-Downloader.Win32.Razy.gen
AlibabaTrojanDownloader:Win32/CrthRazy.6bdaac4f
AegisLabTrojan.Win32.Razy.a!c
TencentWin32.Trojan-downloader.Razy.Hvab
ComodoMalware@#3608vmj716zc7
F-SecureTrojan.TR/AD.CrthRazy.vifbd
DrWebTrojan.PWS.Stealer.29701
ZillyaDownloader.Razy.Win32.2663
McAfee-GW-EditionBehavesLike.Win32.Dropper.wc
SophosMal/Generic-S
IkarusTrojan-Dropper.Win32.Agent
AviraTR/AD.CrthRazy.vifbd
MicrosoftTrojan:Win32/CryptInject!ml
ZoneAlarmHEUR:Trojan-Downloader.Win32.Razy.gen
GDataWin32.Trojan.Kryptik.M1W0NF
CynetMalicious (score: 85)
McAfeeArtemis!2BDD4C0661CD
VBA32TrojanDownloader.Razy
MalwarebytesAdware.DownloadAssistant
ESET-NOD32a variant of Win32/TrojanDropper.Agent.SLC
TrendMicro-HouseCallTROJ_GEN.R067H0CLC20
FortinetRiskware/Razy
AVGWin32:AdwareX-gen [Adw]
Qihoo-360Win32/Trojan.Downloader.5c4

How to remove Adware.DownloadAssistant 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 Adware.DownloadAssistant 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 Adware.DownloadAssistant 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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