Win32/TrojanDropper.Agent.OBM

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

What is Win32/TrojanDropper.Agent.OBM infection?

In this post you will locate concerning the interpretation of Win32/TrojanDropper.Agent.OBM and also its unfavorable influence on your computer. Such ransomware are a kind of malware that is elaborated by on-line frauds to require paying the ransom money by a target.

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Most of the cases, Win32/TrojanDropper.Agent.OBM virus will advise its sufferers to start funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

Win32/TrojanDropper.Agent.OBM Summary

These modifications 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.
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Possible date expiration check, exits too soon after checking local time;
  • 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Detects Sandboxie through the presence of a library;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard drive — so the victim can no longer make use of the data;
  • Preventing regular access to the sufferer’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
wg.200my.comTrojan-Ransom.Win32.PornoBlocker.elbv
open.baidu.comTrojan-Ransom.Win32.PornoBlocker.elbv
www.baidu.comTrojan-Ransom.Win32.PornoBlocker.elbv
ocsp.globalsign.comTrojan-Ransom.Win32.PornoBlocker.elbv
dns.ic123.ccTrojan-Ransom.Win32.PornoBlocker.elbv
ocsp2.globalsign.comTrojan-Ransom.Win32.PornoBlocker.elbv
crl.globalsign.comTrojan-Ransom.Win32.PornoBlocker.elbv

Win32/TrojanDropper.Agent.OBM

One of the most typical channels through which Win32/TrojanDropper.Agent.OBM Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a resource that organizes a destructive software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or protect against the tool from operating in an appropriate fashion – while also putting a ransom money note that discusses the requirement for the sufferers to impact the settlement for the purpose of decrypting the documents or recovering the documents system back to the preliminary problem. In many instances, the ransom note will certainly come up when the client reboots the PC after the system has currently been harmed.

Win32/TrojanDropper.Agent.OBM distribution networks.

In numerous corners of the globe, Win32/TrojanDropper.Agent.OBM expands by leaps and bounds. However, the ransom notes and also techniques of obtaining the ransom quantity might differ relying on particular regional (regional) settings. The ransom notes and tricks of obtaining the ransom quantity might differ depending on particular neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In certain locations, the Trojans often wrongfully report having identified some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software program piracy is much less popular, this approach is not as reliable for the cyber scams. Alternatively, the Win32/TrojanDropper.Agent.OBM popup alert might incorrectly assert to be deriving from a police institution as well as will certainly report having situated youngster porn or other unlawful information on the device.

    Win32/TrojanDropper.Agent.OBM popup alert might falsely declare to be acquiring from a legislation enforcement organization and will report having located youngster porn or various other prohibited information on the device. The alert will similarly have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: EF276B61
md5: a714f152846ced930cd445d8d6ce5d36
name: 001my6.9.exe
sha1: e2fc949f6f042df3c8eeb7b651c2c3a3e47724d2
sha256: 9c54cc621ff457e4189aa0eaf6b817e2572f5fa38f9b6bdf9334da95d130befc
sha512: 690935d3c82473b871d16f0ba7f7622da0d769f8a682d0a79138c428ab21d593aa12b147bc68d7881cc7972ec487a304eaaa7afe8e339e2e3b34cc8cd7498041
ssdeep: 98304:7Z9w9x+bWluEu+ftmJbo35gr51pluDdSdwsYkrWW3IzpyWk:NGibwrftmUir5/YUwCI1yW
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanDropper.Agent.OBM also known as:

GridinSoftTrojan.Ransom.Gen
BkavHW32.Packed.
DrWebTrojan.MulDrop.32183
MicroWorld-eScanTrojan.GenericKD.31925965
FireEyeGeneric.mg.a714f152846ced93
CAT-QuickHealTrojan.Occamy
McAfeeArtemis!A714F152846C
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 000910c91 )
BitDefenderTrojan.GenericKD.31925965
K7GWTrojan ( 000910c91 )
Cybereasonmalicious.2846ce
TrendMicroTrojan.Win32.Dropper.AH
BitDefenderThetaGen:NN.ZelphiF.33550.3JZ@a8S3lZdb
CyrenW32/Agent.FI.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Malware.Johnnie-6858836-0
GDataTrojan.GenericKD.31925965
KasperskyTrojan-Ransom.Win32.PornoBlocker.elbv
AlibabaRansom:Win32/PornoBlocker.0941dece
NANO-AntivirusTrojan.Win32.PornoBlocker.elczem
ViRobotTrojan.Win32.Z.Pornoblocker.4047748
AegisLabTrojan.Win32.PornoBlocker.j!c
RisingTrojan.Generic@ML.80 (RDMK:32SG3TKxW1Pm40IqTExJqg)
Ad-AwareTrojan.GenericKD.31925965
SophosMal/Generic-S
ComodoMalware@#qi1ibdyzofb5
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Dropper.wc
Trapminemalicious.moderate.ml.score
CMCTrojan-Ransom.Win32!O
EmsisoftTrojan.GenericKD.31925965 (B)
IkarusTrojan.Win32.Skeeyah
JiangminTrojan.Qhost.it
WebrootW32.Trojan.GenKD
MAXmalware (ai score=100)
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1E726CD
ZoneAlarmTrojan-Ransom.Win32.PornoBlocker.elbv
MicrosoftTrojanDropper:Win32/Agent.DO
AhnLab-V3Malware/Win32.RL_Generic.R277022
Acronissuspicious
ALYacTrojan.GenericKD.31925965
VBA32BScope.Trojan.Qhost
MalwarebytesTrojan.Dropper
PandaTrj/CI.A
ESET-NOD32a variant of Win32/TrojanDropper.Agent.OBM
TrendMicro-HouseCallTrojan.Win32.Dropper.AH
TencentMalware.Win32.Gencirc.10b4108a
YandexTrojan.PornoBlocker!Yq6j+BwMTzU
FortinetW32/PornoBlocker.ELBV!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_80% (W)

How to remove Win32/TrojanDropper.Agent.OBM ransomware?

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 install-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/TrojanDropper.Agent.OBM 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 Win32/TrojanDropper.Agent.OBM 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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