TrojanDownloader:O97M/Obfuse.RJ!MTB
Emma Terry What is TrojanDownloader:O97M/Obfuse.RJ!MTB infection?
In this post you will certainly find regarding the meaning of TrojanDownloader:O97M/Obfuse.RJ!MTB and its unfavorable influence on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to demand paying the ransom money by a target.
In the majority of the situations, TrojanDownloader:O97M/Obfuse.RJ!MTB infection will certainly advise its victims to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s tool.
TrojanDownloader:O97M/Obfuse.RJ!MTB Summary
These alterations 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.
- 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.
- Possible date expiration check, exits too soon after checking local time;
- Mimics the system’s user agent string for its own requests;
- Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
- 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.
- HTTP traffic contains suspicious features which may be indicative of malware related traffic;
- Performs some HTTP requests;
- Deletes its original binary from disk;
- Attempts to remove evidence of file being downloaded from the Internet;
- Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
- 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
- Creates a copy of itself;
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the papers found on the target’s hard drive — so the victim can no more use the information;
- Preventing regular accessibility to the target’s workstation;
| z.whorecord.xyz | BehavesLike.Win32.Ransomware.gh |
| a.tomx.xyz | BehavesLike.Win32.Ransomware.gh |
TrojanDownloader:O97M/Obfuse.RJ!MTB
The most regular networks through which TrojanDownloader:O97M/Obfuse.RJ!MTB Trojans are infused are:
- By ways of phishing e-mails;
- As a repercussion of user winding up on a resource that holds a destructive software application;
As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s PC or avoid the device from operating in a proper manner – while likewise putting a ransom money note that points out the requirement for the victims to impact the repayment for the objective of decrypting the papers or restoring the data system back to the first problem. In most circumstances, the ransom money note will certainly turn up when the customer reboots the PC after the system has actually already been harmed.
TrojanDownloader:O97M/Obfuse.RJ!MTB distribution channels.
In various edges of the globe, TrojanDownloader:O97M/Obfuse.RJ!MTB grows by leaps as well as bounds. Nonetheless, the ransom notes and also methods of extorting the ransom money quantity may differ depending on particular neighborhood (local) settings. The ransom notes as well as tricks of obtaining the ransom money amount may vary depending on certain local (regional) setups.
As an example:
Faulty notifies about unlicensed software program.
In specific areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the victim’s gadget. The alert then requires the individual to pay the ransom money.
Faulty declarations concerning unlawful web content.
In countries where software piracy is less preferred, this approach is not as reliable for the cyber scams. Conversely, the TrojanDownloader:O97M/Obfuse.RJ!MTB popup alert might wrongly declare to be stemming from a police establishment as well as will report having located youngster pornography or various other illegal data on the gadget.
TrojanDownloader:O97M/Obfuse.RJ!MTB popup alert may wrongly declare to be obtaining from a law enforcement organization and will certainly report having situated youngster porn or various other prohibited data on the device. The alert will likewise have a need for the customer to pay the ransom.
Technical details
File Info:
crc32: BD138028md5: dd3727d090961ec39ecdfb1905afd1baname: qO1C0DkCyTVXGMgzsR0.exesha1: c882c3039e217d19c6e1b80b054c4855c026ece8sha256: 7af3a0abb971d782edd9e661ce002c05d3096e6b0b8a25e6126e914199856119sha512: 9e07873eeff0f443cd7d19a64da7a4a9eee9a5fcbe61fa3a379a668088d2b16e99443c1b205a523c721fc38a0689f097f7c9a6bea639cb42532ac9b76bce7e69ssdeep: 6144:uK1TL+6Rexa9WSU/BV5qVqc03x60Dhm+kEuS6QoJx5XpJqn3BTZe87tbiSJ:umZ9WSlk13xRDhoS8x5gBU8JiSJtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: Copyright (C) 2001InternalName: WBPFileVersion: 1, 0, 0, 1ProductName: WBP ApplicationProductVersion: 1, 0, 0, 1FileDescription: WBP MFC ApplicationOriginalFilename: WBP.EXETranslation: 0x0409 0x04b0
TrojanDownloader:O97M/Obfuse.RJ!MTB also known as:
| GridinSoft | Trojan.Ransom.Gen |
| MicroWorld-eScan | Trojan.GenericKD.32947422 |
| FireEye | Generic.mg.dd3727d090961ec3 |
| McAfee | Emotet-FPC!DD3727D09096 |
| Cylance | Unsafe |
| BitDefender | Trojan.GenericKD.32947653 |
| K7GW | Riskware ( 0040eff71 ) |
| Cybereason | malicious.39e217 |
| BitDefenderTheta | Gen:NN.ZexaF.34082.zq1@aKqZFqfi |
| F-Prot | W32/Kryptik.AYJ.gen!Eldorado |
| Symantec | Trojan Horse |
| ESET-NOD32 | a variant of Win32/GenKryptik.EBYL |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| GData | Trojan.GenericKD.32947422 |
| Kaspersky | UDS:DangerousObject.Multi.Generic |
| Alibaba | Trojan:Win32/starter.ali1000037 |
| AegisLab | Trojan.Win32.Generic.4!c |
| Endgame | malicious (high confidence) |
| Emsisoft | Trojan.Emotet (A) |
| DrWeb | Trojan.DownLoader32.47698 |
| McAfee-GW-Edition | BehavesLike.Win32.Ransomware.gh |
| Trapmine | suspicious.low.ml.score |
| Sophos | Mal/Generic-S |
| Cyren | W32/Kryptik.AYJ.gen!Eldorado |
| Webroot | W32.Trojan.Emotet |
| Arcabit | Trojan.Generic.D1F6BCDE |
| AhnLab-V3 | Trojan/Win32.Emotet.C3889684 |
| ZoneAlarm | UDS:DangerousObject.Multi.Generic |
| Microsoft | TrojanDownloader:O97M/Obfuse.RJ!MTB |
| Acronis | suspicious |
| Ad-Aware | Trojan.GenericKD.32947422 |
| Malwarebytes | Trojan.Emotet |
| Rising | Downloader.Obfuse!8.105AD (CLOUD) |
| SentinelOne | DFI – Suspicious PE |
| Fortinet | W32/TrickBot.CJ!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| CrowdStrike | win/malicious_confidence_90% (W) |
How to remove TrojanDownloader:O97M/Obfuse.RJ!MTB ransomware?
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:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for TrojanDownloader:O97M/Obfuse.RJ!MTB 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove TrojanDownloader:O97M/Obfuse.RJ!MTB you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
