A new type of trojan, known to regenerate has been spotted out into the wilderness of the web. The cyber-threat is believed to redistribute mostly via USB flash drives and malicious downloads as well as infected email attachments. Security researchers recommend that if you removed this trojan or even detected it to take special precautions since the cyber threat is believed to migrate to other malicious files on its removal.
|Type||Trojan.Agent that is regenerating.|
|Short Description||The trojan may be detected and may fool the user that it has been removed by the antivirus software.|
|Symptoms||Users may witness the detection of this particular trojan name once and they may see a failure to remove a .tmp file by their antivirus software occasionally|
|Distribution Method||Via Targeted attacks or spam mail.|
|Detection Tool||Download Malware Removal Tool, to See If Your System Has Been Affected by Trojan.Agent.BLYI|
|User Experience||Join our forum to discuss about Trojan.Agent.BLYI.|
Trojan.Agent.BLYI – How Did I Get It?
This trojan is mostly distrubuted via usb drives or other malicious methods like infected email attachments of the following formats:
.tmp, .cmd, .bat, .exe
Usually users tend to disregard messages that they detect as spam mail before even opening them. This is why attackers may use spoof messages that resemble someone familiar to the user (targeted attacks) or a notorious service most people usually use, like Windows, for example. A particularly effective method was the Windows 10 Upgrade spam email that resembled an actual email from Windows when many people started to upgrade to its latest version.
Trojan.Agent.BLYI – More About It
This trojan may have all sorts of functionalities but its primary goal may be to stay as long as possible in the computer it has infected. Once activated the trojan may begin to create files in the
Such files usually may look similar to this – ‘tmp00200001’.
The trojan then may modify Windows registry settings and create other files that are not malicious to the computer, but may be its next target if deleted by antivirus software. Such files may look like ‘Notepad.exe’ or ‘svchost.exe’ – files that are have identical names to actual Windows files and processes. What is more this cyber threat may as well open up several ports and infect the user PC with other malicious tools such as keylogger, downloader screenshot capturer and others.
This trojan is considered to be a dangerous threat once the user has been infected with it because it makes the system completely unsafe. What is more, this cyber threat is regarded to be highly effective when targeted attacks are being conducted. Targeted attacks are known to be the most dangerous since they often target organizations for various interests. There are several thinks to watch for when it comes to targeted attacks:
- Unfamiliar USB drives. (The ‘lost’ flashdrive)
- Who has physical access to the organization PCs.
- What to the employees know about the computers and can they be trusted with the information.
- Password strength and changing policies.
- Local network management.
- Employees skill-level and education regarding online safety.
Back to the trojan itself, what is specific about it is that it may use the above-created processes to migrate to once its original malicious executable has been detected and create new processes. This is why it is highly recommended to use special software that will detect any actions out of the ordinary, such as external firewall or advanced anti-malware program with live intrusion prevention system.
Removing Trojan.Agent.BLYI In Full
In order to be rid of this specific trojan bear in mind that you should isolate it first and make sure that you scan your computer while in safe mode to disable any third-party applications. It is recommended to also find software that scans the computer when in offline mode and eliminate this threat by scanning it multiple time instead of only once.
It is also highly advisable to back up your data since this trojan may wreak all kinds of havoc on your computer and may even damage your data.