PUA:Win32/OpenDownloadManager

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

What is PUA:Win32/OpenDownloadManager infection?

In this post you will certainly discover about the definition of PUA:Win32/OpenDownloadManager as well as its negative effect on your computer system. Such ransomware are a type of malware that is clarified by online frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, PUA:Win32/OpenDownloadManager ransomware will certainly advise its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

PUA:Win32/OpenDownloadManager Summary

These modifications 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.
  • Presents an Authenticode digital signature;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Created a service that was not started;
  • Ciphering the records located on the victim’s hard disk drive — so the sufferer can no more utilize the information;
  • Preventing routine accessibility 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
z.whorecord.xyzRansom.Win32.SHADE.SMB.hp
a.tomx.xyzRansom.Win32.SHADE.SMB.hp

PUA:Win32/OpenDownloadManager

The most normal networks through which PUA:Win32/OpenDownloadManager are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a source that holds a harmful software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s PC or avoid the device from functioning in an appropriate way – while also positioning a ransom money note that mentions the need for the sufferers to effect the payment for the purpose of decrypting the papers or bring back the data system back to the preliminary problem. In a lot of instances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually already been damaged.

PUA:Win32/OpenDownloadManager circulation networks.

In various edges of the globe, PUA:Win32/OpenDownloadManager expands by jumps and bounds. However, the ransom notes and methods of extorting the ransom amount might differ depending on certain neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s gadget. The sharp after that requires the user to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software piracy is less preferred, this technique is not as effective for the cyber frauds. Conversely, the PUA:Win32/OpenDownloadManager popup alert might incorrectly claim to be deriving from a law enforcement establishment and also will certainly report having situated child porn or various other prohibited data on the tool.

    PUA:Win32/OpenDownloadManager popup alert may wrongly assert to be deriving from a regulation enforcement organization and will certainly report having situated kid porn or various other prohibited information on the device. The alert will in a similar way include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1C6C6754
md5: 954e5bfc83812346d1cd11a59f7d205d
name: 32.exe
sha1: 179dd32769c491758ff2e418c9b20efc94af5725
sha256: 38d3f45c15d354a76eaa73d2da717165dee22b8207fa87088685486019ff482d
sha512: 1d9eb7e3548e9082cccff9823ef7c205d9f161e35b66be22cc9737cfbf013781e56647fb54941945614310ba91f44904fe3341d03cb39779bbc41a1951503feb
ssdeep: 49152:mshUlx6PWNfwfFtSYlvenkSH9J/Djs6IIIIIIIR:rUloaUtSAvgNH9JXjIIIIIIIR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: PkgMgr.exe
FileVersion: 6.1.7601.23505 (win7sp1_ldr.160722-0600)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7601.23505
FileDescription: Windows Package Manager
OriginalFilename: PkgMgr.exe
Translation: 0x0409 0x04b0

PUA:Win32/OpenDownloadManager also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware
MicroWorld-eScanTrojan.Lupus.Gen.1
FireEyeGeneric.mg.954e5bfc83812346
CAT-QuickHealTrojan.Generic
McAfeeArtemis!954E5BFC8381
ALYacTrojan.Lupus.Gen.1
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 005534121 )
BitDefenderTrojan.Lupus.Gen.1
K7GWTrojan ( 005534121 )
Cybereasonmalicious.769c49
TrendMicroRansom.Win32.SHADE.SMB.hp
F-ProtW32/Agent.BAE.gen!Eldorado
APEXMalicious
Paloaltogeneric.ml
GDataTrojan.Lupus.Gen.1
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Morphisil.1216d606
NANO-AntivirusTrojan.Win32.Morphisil.ftulri
Endgamemalicious (high confidence)
EmsisoftTrojan.Lupus.Gen.1 (B)
ComodoMalware@#2w5vm2k53l7kt
F-SecureTrojan.TR/Crypt.Agent.ervvk
DrWebTrojan.Ssebot.2
ZillyaTrojan.Generic.Win32.917026
Invinceaheuristic
McAfee-GW-EditionArtemis!Trojan
Trapminemalicious.moderate.ml.score
SophosMal/Generic-S
IkarusTrojan.Win32.Crypt
CyrenW32/Agent.BAE.gen!Eldorado
JiangminTrojan.Generic.eexee
WebrootW32.Trojan.Gen
AviraTR/Crypt.Agent.ervvk
MAXmalware (ai score=100)
ArcabitTrojan.Lupus.Gen.1
AegisLabTrojan.Win32.Lupus.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftPUA:Win32/OpenDownloadManager
Acronissuspicious
VBA32BScope.Trojan.Yakes
Ad-AwareTrojan.Lupus.Gen.1
MalwarebytesTrojan.SpamBot
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.GUSX
TrendMicro-HouseCallRansom.Win32.SHADE.SMB.hp
TencentWin32.Trojan.Falsesign.Hrys
SentinelOneDFI – Malicious PE
MaxSecureTrojan.Malware.74446422.susgen
FortinetW32/Kryptik.GLWT!tr
BitDefenderThetaGen:NN.ZexaF.34090.Yr1@aGcW@Mki
AVGWin32:DangerousSig [Trj]
AvastWin32:DangerousSig [Trj]
CrowdStrikewin/malicious_confidence_60% (W)
Qihoo-360Win32/Trojan.604

How to remove PUA:Win32/OpenDownloadManager 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 PUA:Win32/OpenDownloadManager 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 PUA:Win32/OpenDownloadManager 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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