Written by Robert Bailey

What is Win32/Dridex.AA infection?

In this post you will find concerning the definition of Win32/Dridex.AA as well as its negative influence on your computer system. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom by a sufferer.

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In the majority of the cases, Win32/Dridex.AA ransomware will certainly advise its victims to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the victim’s gadget.

Win32/Dridex.AA Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Compression (or decompression);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Unconventionial language used in binary resources: Kyrgyz;
  • Exhibits behavior characteristic of Dridex malware;
  • Collects information about installed applications;
  • Attempts to identify installed AV products by registry key;
  • Attempts to modify proxy settings;
  • Ciphering the documents found on the victim’s hard drive — so the victim can no more utilize the information;
  • Preventing regular accessibility to the victim’s workstation;


One of the most common networks through which Win32/Dridex.AA are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a resource that organizes a harmful software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the victim’s computer or stop the gadget from functioning in a proper fashion – while likewise putting a ransom money note that points out the need for the victims to impact the payment for the function of decrypting the papers or recovering the data system back to the preliminary condition. In many circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Dridex.AA distribution networks.

In different corners of the globe, Win32/Dridex.AA grows by jumps and also bounds. However, the ransom money notes and also tricks of obtaining the ransom quantity might differ relying on particular local (local) setups. The ransom money notes as well as techniques of obtaining the ransom quantity may differ depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having identified some unlicensed applications allowed on the target’s device. The alert then demands the individual to pay the ransom.

    Faulty statements about prohibited web content.

    In countries where software application piracy is less prominent, this method is not as effective for the cyber frauds. Additionally, the Win32/Dridex.AA popup alert might wrongly assert to be deriving from a police establishment and will report having located youngster porn or various other illegal data on the tool.

    Win32/Dridex.AA popup alert might falsely claim to be acquiring from a legislation enforcement organization as well as will report having located youngster porn or other illegal information on the tool. The alert will likewise include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 4B38AD24
md5: ff42e9984e23d16bf9bee3322f7f8325
name: FF42E9984E23D16BF9BEE3322F7F8325.mlw
sha1: fdd4a7cf8ba02f12735b97f2af99b74f391cd7be
sha256: 28b0ad6a90466e329312256610a309b7341f41b0ebb99f75dbf78cd489316688
sha512: 1377e29c7437adb07440e318a160e9d3794c59649f31e1ba68fcab9f7378c239ce88f3519d96c912a2115b28faa2d57db7b6d58e613cff05ab62043e9795eb91
ssdeep: 6144:afVpIXS2Lcmo8pOSngilu7yE1SmbEDznrcd4GBjPjoen:opIXS2A8pOMfgymbEDznrfGx
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2017
InternalName: Predominates
FileVersion: 150, 156, 188, 17
ProductVersion: 110, 235, 231, 93
FileDescription: Invariance
OriginalFilename: Portend.exe

Win32/Dridex.AA also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004d85141 )
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
ALYac Trojan.TeslaCrypt.Gen.4
Cylance Unsafe
Zillya Trojan.CryptGen.Win32.1
Alibaba Backdoor:Win32/Visky.37ae5115
K7GW Trojan ( 004d85141 )
Cybereason malicious.84e23d
Symantec Backdoor.Trojan
ESET-NOD32 Win32/Dridex.AA
Avast Win32:Malware-gen
Kaspersky Packed.Win32.Tpyn
BitDefender Trojan.TeslaCrypt.Gen.4
NANO-Antivirus Trojan.Win32.Waldek.eakhoi
MicroWorld-eScan Trojan.TeslaCrypt.Gen.4
Tencent Win32.Trojan.Waldek.Efkk
Ad-Aware Trojan.TeslaCrypt.Gen.4
Sophos ML/PE-A + Mal/Ransom-EG
Comodo Malware@#217q7lbt8ll8r
BitDefenderTheta Gen:NN.ZexaF.34142.wq0@aKkF0FaG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPLOCKY.SM1
McAfee-GW-Edition BehavesLike.Win32.Ransomware.fh
Emsisoft Trojan.TeslaCrypt.Gen.4 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Waldek.ahw
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1118869
Antiy-AVL Trojan/Generic.ASMalwS.17284EF
Kingsoft Win32.Troj.Waldek.d.(kcloud)
Microsoft Backdoor:Win32/Dridex.SF!MTB
GData Trojan.TeslaCrypt.Gen.4
McAfee Artemis!FF42E9984E23
MAX malware (ai score=100)
VBA32 BScope.TrojanDownloader.Talalpek
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPLOCKY.SM1
Yandex Trojan.Waldek!Jz1d0qRWV2o
Ikarus Trojan-Banker.Dridex
MaxSecure Trojan.Malware.9242708.susgen
Fortinet W32/Bourben.MVC!tr
AVG Win32:Malware-gen

How to remove Win32/Dridex.AA virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32/Dridex.AA 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 Win32/Dridex.AA you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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