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

What is Trojan:Win32/Valden.A infection?

In this short article you will certainly locate about the definition of Trojan:Win32/Valden.A and also its negative impact on your computer. Such ransomware are a kind of malware that is specified by online frauds to demand paying the ransom by a sufferer.

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In the majority of the instances, Trojan:Win32/Valden.A infection will certainly instruct its sufferers to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s gadget.

Trojan:Win32/Valden.A Summary

These alterations can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Installs itself for autorun at Windows startup;
  • Exhibits possible ransomware file modification behavior;
  • Anomalous binary characteristics;
  • Ciphering the papers found on the target’s hard disk drive — so the target can no longer make use of the data;
  • Preventing regular accessibility to the target’s workstation;


One of the most typical channels through which Trojan:Win32/Valden.A Ransomware are injected are:

  • By methods of phishing e-mails;
  • As a repercussion of customer winding up on a resource that holds a destructive software application;

As quickly as the Trojan is successfully injected, it will either cipher the data on the target’s PC or stop the tool from working in a correct fashion – while likewise putting a ransom note that points out the demand for the targets to impact the payment for the purpose of decrypting the records or restoring the file system back to the initial condition. In most instances, the ransom note will show up when the client reboots the PC after the system has already been damaged.

Trojan:Win32/Valden.A circulation channels.

In numerous edges of the globe, Trojan:Win32/Valden.A grows by jumps and also bounds. However, the ransom notes as well as tricks of extorting the ransom amount might vary depending upon particular regional (regional) setups. The ransom notes and also tricks of obtaining the ransom money quantity might vary depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty signals about unlicensed software.

    In specific locations, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the sufferer’s tool. The alert after that demands the individual to pay the ransom.

    Faulty declarations concerning illegal web content.

    In countries where software program piracy is less popular, this approach is not as effective for the cyber fraudulences. Additionally, the Trojan:Win32/Valden.A popup alert might wrongly claim to be stemming from a police organization as well as will report having situated child porn or various other illegal information on the gadget.

    Trojan:Win32/Valden.A popup alert might incorrectly assert to be acquiring from a law enforcement organization and will report having situated kid pornography or various other prohibited data on the tool. The alert will in a similar way consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 8925C938
md5: 363081e0666b590f271bc72f2c64d5d4
name: 363081E0666B590F271BC72F2C64D5D4.mlw
sha1: c8dfa6d97c0749badbd8fbcd8e052b310efe8f94
sha256: 302f4a643de935d3e545f66f4304a993c42bfdd558e49530d6b0967487e2e313
sha512: 4a6d159272469f361d33fc8c0b2414a74118f743ee53420ce0a14076830a0099431749cc01b5773d9a58b69198cff706999b62420e555e8807cdc8923dfb38bd
ssdeep: 12288:2PapxnpD/o2wPQYOamsEIiKQBN7KfagWMPuDm:2CpxKpPvNAI/Qj7KfagHPuD
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Valden.A also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e3991 )
Lionic Trojan.Win32.Yakes.4!c
Elastic malicious (high confidence)
DrWeb BackDoor.Blackshades.9
ALYac Gen:Variant.Ransom.Cryak.55
Cylance Unsafe
Zillya Trojan.Yakes.Win32.14198
CrowdStrike win/malicious_confidence_80% (D)
K7GW Trojan ( 0055e3991 )
Cybereason malicious.0666b5
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.WBI
APEX Malicious
Avast Sf:Crypt-EX [Trj]
Cynet Malicious (score: 100)
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Variant.Ransom.Cryak.55
NANO-Antivirus Trojan.Win32.Blackshades.ycdwg
ViRobot Trojan.Win32.A.Yakes.484352
MicroWorld-eScan Gen:Variant.Ransom.Cryak.55
Tencent Win32.Trojan.Yakes.Ligm
Ad-Aware Gen:Variant.Ransom.Cryak.55
Sophos ML/PE-A + Mal/EncPk-AGD
Comodo Suspicious@#1520ibsvw2pvc
BitDefenderTheta AI:Packer.03DB0DF421
VIPRE Trojan.Win32.Generic!BT
Emsisoft Gen:Variant.Ransom.Cryak.55 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Yakes.hbn
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen2
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.7A9EA1
Kingsoft Win32.Troj.Yakes.(kcloud)
Microsoft Trojan:Win32/Valden.A
GData Gen:Variant.Ransom.Cryak.55
McAfee Artemis!363081E0666B
MAX malware (ai score=83)
VBA32 Trojan.Yakes
Panda Trj/OCJ.A
Rising [email protected] (RDML:yjSYaIdv2ZD1mgxMRyeSTg)
Yandex Trojan.Yakes!IvQnGr6arCY
Ikarus Trojan.Win32.Menti
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Zbot.AAO!tr
AVG Sf:Crypt-EX [Trj]

How to remove Trojan:Win32/Valden.A ransomware?

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 Trojan:Win32/Valden.A 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:

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If the guide doesn’t help you to remove Trojan:Win32/Valden.A you can always ask me in the comments for getting help.

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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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