What is TrojanDropper:Win32/Effbee.A infection?
In this short article you will certainly find regarding the interpretation of TrojanDropper:Win32/Effbee.A as well as its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by on the internet scams to require paying the ransom by a target.
Most of the situations, TrojanDropper:Win32/Effbee.A ransomware will certainly instruct its targets to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s device.
TrojanDropper:Win32/Effbee.A Summary
These modifications can be as complies with:
- Injection (inter-process);
- Injection (Process Hollowing);
- Injection with CreateRemoteThread in a remote process;
- 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.
- A process attempted to delay the analysis task.;
- 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.
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Code injection with CreateRemoteThread in a remote process;
- Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
native hardware will have access to. - Executed a process and injected code into it, probably while unpacking;
- Tries to unhook or modify Windows functions monitored by Cuckoo;
- 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
- Likely virus infection of existing system binary;
- Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the records situated on the sufferer’s hard drive — so the victim can no longer make use of 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.
TrojanDropper:Win32/Effbee.A
The most typical networks where TrojanDropper:Win32/Effbee.A Ransomware are infused are:
- By ways of phishing emails;
- As a consequence of customer ending up on a source that holds a destructive software program;
As quickly as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or avoid the gadget from operating in a proper manner – while likewise positioning a ransom note that mentions the demand for the sufferers to impact the settlement for the function of decrypting the records or bring back the documents system back to the initial condition. In many circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually currently been harmed.
TrojanDropper:Win32/Effbee.A distribution networks.
In different edges of the globe, TrojanDropper:Win32/Effbee.A grows by leaps as well as bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money quantity may vary relying on particular neighborhood (regional) settings. The ransom money notes and tricks of extorting the ransom money amount might differ depending on certain local (regional) setups.
For instance:
Faulty notifies concerning unlicensed software.
In specific areas, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s device. The alert after that requires the customer to pay the ransom.
Faulty declarations about unlawful content.
In nations where software program piracy is less preferred, this technique is not as effective for the cyber frauds. Conversely, the TrojanDropper:Win32/Effbee.A popup alert may falsely assert to be stemming from a police establishment and also will certainly report having located child porn or various other illegal information on the gadget.
TrojanDropper:Win32/Effbee.A popup alert might incorrectly claim to be obtaining from a law enforcement organization and also will certainly report having located child pornography or various other unlawful data on the device. The alert will likewise include a demand for the customer to pay the ransom.
Technical details
File Info:
crc32: 594CC14Dmd5: 1441326a22455f37d70a6fb633b6fe47name: 1441326A22455F37D70A6FB633B6FE47.mlwsha1: b3f5140e4f305c9280779f72a1ef44fbcdfd63b5sha256: f8d205a7641a7df5141a67133f7b54d7245a7ece664ece826eaeecacbeedbc9dsha512: 1b36b3f39796199d465350854ab026d2562520e84709296c2a98f95afb94ab20362251a204e6fea7917216e2f581c32cf82d7e765f6e568da757d6637e1a460fssdeep: 24576:AQ3yom2b46vLudKVhhsgDxw55ESM9zUTov:AQC/C4kuduIg1mIzUTovtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
TrojanDropper:Win32/Effbee.A also known as:
GridinSoft | Trojan.Ransom.Gen |
Bkav | W32.AIDetect.malware2 |
K7AntiVirus | Trojan ( 004020ef1 ) |
Elastic | malicious (high confidence) |
DrWeb | BackDoor.Comet.152 |
Cynet | Malicious (score: 100) |
McAfee | GenericRXCZ-BR!1441326A2245 |
Cylance | Unsafe |
Zillya | Backdoor.DarkKomet.Win32.4059 |
Sangfor | Trojan.Win32.Save.a |
CrowdStrike | win/malicious_confidence_100% (D) |
Alibaba | TrojanDropper:Win32/Blocker.c6fa767f |
K7GW | Trojan ( 004020ef1 ) |
Cybereason | malicious.a22455 |
Baidu | Win32.Trojan-Dropper.Agent.ca |
Cyren | W32/Agent.NXNL-3094 |
Symantec | Trojan.Gen.MBT |
ESET-NOD32 | Win32/TrojanDropper.Agent.PYN |
APEX | Malicious |
TotalDefense | Win32/Tnega.RfCSaJB |
Avast | Win32:Malware-gen |
ClamAV | Win.Trojan.Gamarue-7007986-0 |
Kaspersky | Trojan-Ransom.Win32.Blocker.hrft |
BitDefender | Backdoor.Generic.755288 |
NANO-Antivirus | Trojan.Win32.Comet.haynlw |
MicroWorld-eScan | Backdoor.Generic.755288 |
Tencent | Trojan-Ransom.Win32.Blocker.a |
Ad-Aware | Backdoor.Generic.755288 |
Sophos | Mal/Generic-S |
Comodo | TrojWare.Win32.Agent.pyn@54cqtm |
BitDefenderTheta | Gen:NN.ZexaCO.34608.ZqX@a4JWL2iO |
VIPRE | Trojan-Dropper.Win32.Effbee.a (v) |
McAfee-GW-Edition | BehavesLike.Win32.Injector.cc |
FireEye | Generic.mg.1441326a22455f37 |
Emsisoft | Backdoor.Generic.755288 (B) |
SentinelOne | Static AI – Malicious PE |
Avira | TR/Dropper.Gen2 |
eGambit | Trojan.Generic |
Kingsoft | Heur.SSC.2700553.0111.(kcloud) |
Microsoft | TrojanDropper:Win32/Effbee.A |
Arcabit | Backdoor.Generic.DB8658 |
AegisLab | Trojan.Win32.Blocker.tnqj |
GData | Win32.Trojan-Dropper.BeiF.A |
AhnLab-V3 | Backdoor/Win32.DarkKomet.R48242 |
VBA32 | Hoax.Blocker |
MAX | malware (ai score=100) |
Malwarebytes | Trojan.Dropper |
Panda | Trj/CI.A |
Rising | Ransom.Blocker!8.12A (CLOUD) |
Yandex | Trojan.GenAsa!N71EllaXIy8 |
Ikarus | Trojan-Downloader.O97M.Donoff |
Fortinet | W32/Dropper.PYN!tr |
AVG | Win32:Malware-gen |
Paloalto | generic.ml |
Qihoo-360 | Win32/Ransom.Blocker.HgAASQsA |
How to remove TrojanDropper:Win32/Effbee.A 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
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.
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 TrojanDropper:Win32/Effbee.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.
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:
If the guide doesn’t help you to remove TrojanDropper:Win32/Effbee.A you can always ask me in the comments for getting help.
User Review
( votes)References
- GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
- More information about GridinSoft products: https://gridinsoft.com/comparison