Written by Robert Bailey

What is Adware.Downloader infection?

In this post you will certainly discover regarding the meaning of Adware.Downloader as well as its negative influence on your computer. Such ransomware are a type of malware that is specified by on the internet scams to demand paying the ransom by a target.

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Most of the cases, Adware.Downloader virus will certainly instruct its victims to initiate funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Adware.Downloader Summary

These modifications can be as adheres to:

  • Attempts to connect to a dead IP:Port (3 unique times);
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • 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.
  • Exhibits possible ransomware file modification behavior;
  • 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 identify installed AV products by registry key;
  • Detects VirtualBox through the presence of a registry key;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the documents located on the sufferer’s hard disk — so the victim can no more use the data;
  • Preventing regular access to the target’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 BehavesLike.Win32.VirRansom.hh BehavesLike.Win32.VirRansom.hh BehavesLike.Win32.VirRansom.hh


One of the most regular channels whereby Adware.Downloader are infused are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that organizes a malicious software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the target’s PC or prevent the device from functioning in an appropriate fashion – while likewise positioning a ransom money note that mentions the demand for the sufferers to impact the settlement for the purpose of decrypting the files or recovering the documents system back to the first condition. In a lot of instances, the ransom money note will turn up when the customer restarts the PC after the system has actually already been harmed.

Adware.Downloader distribution channels.

In numerous corners of the globe, Adware.Downloader expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money quantity might differ depending on specific regional (regional) setups. The ransom notes and also methods of extorting the ransom money quantity may differ depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software piracy is less prominent, this technique is not as efficient for the cyber frauds. Conversely, the Adware.Downloader popup alert might incorrectly claim to be originating from a law enforcement institution and will report having located youngster pornography or other unlawful data on the tool.

    Adware.Downloader popup alert might falsely assert to be obtaining from a law enforcement institution as well as will report having situated kid pornography or various other unlawful information on the tool. The alert will similarly have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 5ADF21CB
md5: 8d8bce58016527f5c73b09d8aeb1f538
name: 8D8BCE58016527F5C73B09D8AEB1F538.mlw
sha1: 17f998ed72260da20c27e94121b0ac40560cac3e
sha256: f916bf1d8459b5775b8166ae5d579bd04350ee3f7e1e8607902f45c07e7f1ac9
sha512: 11c750990657f656041b748c5ecb85901bb5406be715fb468e0765e308b0983bf755c03207fdc4c5462b9649fd9c96909e01f00348bbab3882dcc119174a5259
ssdeep: 12288:VmqzpaRDU2FGw8iKccP+30OTKJ5du8+a01WrfPHRMxk/k:lIRtFKcc6TKJbd+OnH0k/k
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:


Adware.Downloader also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen7.20427
MicroWorld-eScan Gen:Variant.Application.Bundler.DownloadGuide.21
CAT-QuickHeal Program.Wacapew
Qihoo-360 Win32/Virus.Downloader.c27
ALYac Gen:Variant.Application.Bundler.DownloadGuide.21
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Adware ( 004b87fb1 )
BitDefender Gen:Variant.Application.Bundler.DownloadGuide.21
K7GW Adware ( 004b87fb1 )
Cybereason malicious.801652
Cyren W32/S-e7e8d98d!Eldorado
Symantec PUA.DownloadSponsor
Avast FileRepMetagen [Malware]
Kaspersky not-a-virus:HEUR:Downloader.Win32.DownloaderGuide.gen
NANO-Antivirus Trojan.Win32.DownloadGuide.enruit
Ad-Aware Gen:Variant.Application.Bundler.DownloadGuide.21
Sophos Generic PUA BH (PUA)
Comodo Application.Win32.DownloadGuide.A@7y5gwx
Zillya Downloader.DownloaderGuide.Win32.6080
McAfee-GW-Edition BehavesLike.Win32.VirRansom.hh
Emsisoft Gen:Variant.Application.Bundler.DownloadGuide.21 (B)
SentinelOne Static AI – Malicious PE – Downloader
Jiangmin Downloader.DownloaderGuide.akz
Antiy-AVL RiskWare[Downloader]/Win32.DownloaderGuide
Microsoft Program:Win32/Wacapew.C!ml
Arcabit Trojan.Application.Bundler.DownloadGuide.21
ZoneAlarm not-a-virus:HEUR:Downloader.Win32.DownloaderGuide.gen
GData Win32.Application.DownloadGuide.T
Cynet Malicious (score: 100)
AhnLab-V3 PUP/Win32.Bundler.R198960
Acronis suspicious
MAX malware (ai score=71)
VBA32 BScope.Downloader.DownloaderGuide
Malwarebytes Adware.Downloader
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/DownloadGuide.D potentially unwanted
Rising Adware.DownloadGuide!1.A1DB (CLASSIC)
Yandex PUA.Downloader!Ix7qk1x0nw8
Ikarus PUA.DownloadGuide
eGambit Unsafe.AI_Score_100%
Fortinet Riskware/DownloaderGuide
AVG FileRepMetagen [Malware]
MaxSecure Trojan.Malware.300983.susgen

How to remove Adware.Downloader 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.Downloader 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.Downloader you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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