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Danger level 7
Type: Worms

Other mutations known as:

Worm.Slenping

It is not uncommon for certain types of worms to make use of your system’s resources and result in the speed and the performance of your PC decreasing dramatically. Worm.Slenping is an infection that all computer users need to look out for as it can perform these malicious activities, and do much more. This infection can infect your computer system as well as spread to the computers connected to the same shared/open network. This infection can also modify some of your system’s settings without your knowledge. In general, worms are silent threats that most users are unaware of, due to which they are usually successful at performing in a desired way. Unfortunately, if a worm successfully infects the operating system, it can let in a variety of different malicious programs. Needless to say, removing one threat is much different than removing a bunch of them. Hopefully, you can delete Worm.Slenping in time.

When researching Worm.Slenping it became clear that this infection was mainly spread via the MSN Messenger (Windows Live Messenger), a tool that has been discontinued since. Some worms are capable of inserting messages into your active chats to infect other systems, which is the main reason why this threat was once widely spread. Of course, most users would interact with corrupted messages thinking they were sent by a friend or a colleague. If you are not sure about a picture (e.g., photo1226.jpeg-www.myspace.com, photo.zip), weird message, or link sent to your chat, especially if it is out of context, double-check with your friend. Unfortunately, users remain oblivious about the infiltration of the malicious worm even if they interact with the clandestine installer. This way the worm plants itself onto your computer and initiates malicious activity without your permission or notice. Of course, you might notice that your PC is running slower or something else is wrong; however, most users ignore these signs or attribute them to unrelated computer problems.

As mentioned previously, Worm.Slenping enables a backdoor for other threats. It is very difficult to predict what kind of malware could slither into your operating system using the help of this worm. Trojans, ransomware, rogue security tools, adware, hijackers, keyloggers, and other kinds of malware could be downloaded without your notice. It appears that this infection can use the TCP port 443 to connect to a remote system that provides backdoor commands. If you successfully remove the files responsible for making this connection, other malicious programs will have one less way to enter your operating system. Unfortunately, detecting and removing all worm’s components is extremely difficult. Worm.Slenping is capable of hiding itself so well that its processes will not show up in the Processes tab in the Task Manager. On top of that, many of its files have randomly generated names, such as f91a5e11-62f1-2721-4b38-f86f521849c5.dll, F3HTTPCT.DLL, F3HTMLMU.DLL, and F3POPSWT.DLL, which makes them hard to identify.

Besides installing files with random names, Worm.Slenping also uses files that might be named after authentic files found on clean Windows systems, including Recycle.Bin.exe and svchost.exe. Although the malicious versions of these files require immediate removal, we do not advise eliminating them manually just so that you would accidentally get rid of the authentic ones. If you do not know how to check for digital signatures and original file locations, it will be difficult for you to eliminate the malicious files. In most cases, the malicious files of this worm are found under C:\Winnt\System32 or C:\Windows\System32, depending on which Windows version you operate. After you remove malicious files, you also need to delete the registry entries created by this malicious threat. Unfortunately, you might have to repeat the same process for every single malicious threat active on your operating system.

Do you feel overwhelmed? Most people in your situation would be. Well, you do not need to worry about the manual removal because there are tools that were designed to clean your operating system for you. We suggest installing automated malware detection and removal software to ensure that your operating system is liberated from all dangerous infections automatically. If you just ignore the possibility of a worm existing on your PC, you will regret it sooner or later because a worm will open a backdoor for other threats that might cause serious security issues. If you still have questions about the removal of Worm.Slenping, please leave them in the comments section below.

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How to manually remove Worm.Slenping

Files associated with Worm.Slenping infection:

F3POPSWT.DLL
GoogleUpdateBeta.exe
video_set.exe
smover.exe
Recycle.Bin.exe
dfbhost.exe
winntse.bin.exe
USBcillin.exe
svchost.exe
MediaPass_Setup.exe
libreal.exe
go[1].exe
DWRCST.exe
acleaner.exe
SysWindows.exe
f91a5e11-62f1-2721-4b38-f86f521849c5.dll
F3HTTPCT.DLL
F3HTMLMU.DLL
comcat32.dll
ANTIVIRЬ.exe
lmsn.exe
Munters.exe
FastUserSwitchingCompatibilityex.dll
aaovl.exe
jutched.exe
afd.exe
nuxdl.exe
nuxdl.exe

Worm.Slenping DLL's to remove:

F3POPSWT.DLL
F3HTTPCT.DLL
F3HTMLMU.DLL
f91a5e11-62f1-2721-4b38-f86f521849c5.dll
comcat32.dll
FastUserSwitchingCompatibilityex.dll

Worm.Slenping processes to kill:

GoogleUpdateBeta.exe
video_set.exe
smover.exe
Recycle.Bin.exe
dfbhost.exe
winntse.bin.exe
USBcillin.exe
svchost.exe
MediaPass_Setup.exe
libreal.exe
go[1].exe
DWRCST.exe
acleaner.exe
SysWindows.exe
ANTIVIRЬ.exe
lmsn.exe
Munters.exe
aaovl.exe
jutched.exe
afd.exe
nuxdl.exe
nuxdl.exe

Remove Worm.Slenping registry entries:

HKEY_LOCAL_MACHINESOFTWAREMICROSOFTWINDOWSCURRENTVERSIONRUN nuxdl
HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\ nuxdl
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