Last week, my AVG
detected a virus called Trojan.Cryptlock.J!gm on my computer but failed to
remove it out of my PC. MSE detected it; however, it had no ability to remove
it completely. I even have tried other method to eliminate this Trojan horse
but still no luck. Other anti-virus programs are not able to get rid of it as
well. I felt frustrating about that. I have tried many ways but none of them
can work. Can someone tell me what should I do now to get rid of Trojan.Cryptlock.J!gm
thoroughly?
Description of Trojan.Cryptlock.J!gm
Trojan.Cryptlock.J!gm is categorized as a Trojan horse that infects users’
PCs in an aggressive ways. Usually this Trojan horse will attack the infected
computer by attaching to some free programs. The unknown free program will
contain the virus process in its installation and that is the way which this
Trojan horse attacks the infected computer without any warning. Similarly, this
Trojan horse Trojan horse will disguise itself as a legit part of the operating
system by using a misleading file name. Users may mistakenly consider that they
are just normal pictures or text files. Generally, a Trojan horse cannot be
seen with the naked eye. It is known that if a hacker wants to take control of
a computer, he must deceive the user into running the Trojan program. So, the
hacker will try every way to achieve his aim of implanting the Trojan horse
into the targeted computer system. Basically speaking, users will use an
antivirus program to scan their computers. Since antivirus detection depends on
the feature code in a program, hackers will inject legal code into the Trojan
horse in order to escape from detection and removal by common antivirus
program.
What makes it
different from other Trojan horse is that its aim is not to destroy the
computer system, and replace with observing user’s activities on the
compromised computer and collect confidential information including the credit
card numbers, Apple password, online bank details and so on. In the old days,
Trojan horses are mainly written to play trick on users. These days, Trojan
horses have been a tool used to steal the victims’ personal information for the
purpose of gaining illegal profits. Its working mechanism is able to go across
physical barrier between internal and external network once Trojan horse starts
its working. It is not wise for you to leave such a malicious threat in your
machine; if you want to protect your personal information, remove Trojan.Cryptlock.J!gm
from your computer quickly.
However, take
immediate and thorough action to remove Trojan.Cryptlock.J!gm completely from
your computer before further damage and data loss. If you have no faith in
coping with it, please download a professional removal tool to help you.
Danger of The
Trojan Horse
1. It secretly
opens a backdoor which allows the remote hackers to gain access to the infected
computer.
2. It deletes
files, blocks important programs and causes system crashes.
3. It can download
and install more other threats, such as adware, redirect viruses and spyware.
4. It spies on
your activities on the computer and collect the sensitive data and information
for malicious purposes.
How to Remove Trojan.Cryptlock.J!gm
from the Infected Computer
Trojan.Cryptlock.J!gm
has been known as a highly risky Trojan horse that stealthily installs in your
computer. It will cause a slow performance on the infected computer and bring
other threats. This Trojan horse will let cyber criminals invade the infected
computer to make things worse. It is highly suggested that users should remove
it as soon as possible. Here is the manual removal guide below.
Step 1: Restart
your computer in Safe Mode with Networking.
Turn off your
infected computer and then select Restart to boot it up.
Hit F8 key
multiple times until Windows Advanced Options Menu shows up.
Use the up and
down arrow keys to select “Safe Mode with Networking”
option when the Windows launches, and then hit Enter key to proceed.
Step 2: Open Windows
Task Manager and end its running processes.
Press Ctrl + Alt +
Del or Ctrl + Shift + Esc keys simultaneously to start Windows Task Manager.
Go to the
processes, scroll down the list to find out its running processes related to
the Trojan. And then end them all by right-clicking on “End Process” button.
Step 3: Delete all
the files associated with the Trojan from your PC.
%AllUsersProfile%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AppData%\Local\[random].exe
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AppData%\Local\[random].exe
Step 4: Get rid of
the registry entries of the Trojan from Registry Editor.
Press Windows + R
keys and type regedit into the Run box, and then click on OK to open Registry
Editor.
Search for and get
rid of the registry entries relevant to the Trojan as listed below. It is
important to back up your Windows in case of data loss before any file changes.
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows
NT\CurrentVersion\Random
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet
Settings “CertificateRevocation” =Random
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run\Random.exe
Step 5: After all
the steps above are done, please restart your computer normally to apply these
changes.
Conclusion
It is obvious that
Trojan.Cryptlock.J!gm is a highly risky computer infection. The issue about
manually deleting Trojan.Cryptlock.J!gm is a rather difficult and
time-consuming process. Manual removal is as risky as it sounds, especially for
a regular PC user. Once it settles down, this Trojan horse will start its
payloads. It damages system files, changes the system settings, blocks some
programs from running properly, downloads other malware, generate annoying
pop-ups and even collects private data and information for its creators. It is
too difficult to remove it in that it hides deeply behind the screen. Using a
powerful automatic removal tool will be the wise choice to get rid of Trojan.Cryptlock.J!gm.
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