How to deal with this PUP.Optional.FrostwireTB.A? It has been detected by my anti-virus program for a long time. But my anti-virus is not able to remove it. I don’t know why. This thing can come back after I restart my computer as the removal requires. I can’t locate it on my computer because it changes all the time. This thing drives me crazy. I want to get rid of it completely. Please advise.

Brief Introduction to This Trojan

PUP.Optional.FrostwireTB.A is reported as a malicious Trojan infection that can damage the infected machine from many aspects. This Trojan horse virus aims on computers with Windows XP, Windows Vista, Windows 7 and Windows 8 operating systems. It is designed and distributed by cyber hackers from the network. This virus can sneak into innocent computers via many ways, usually from the Internet. People will be redirected to some dangerous links which contain this Trojan, once people click on them, this Trojan will be downloaded automatically. Also, when people download some commonly-used software from the Internet, there is a chance for this Trojan to infect the target computer as cyber criminals are capable of embedding this Trojan into the install packages of those freeware. After people install those infected application into their computers, this Trojan can be installed at the same time, but it is invisible.

Except these two ways to transmit, this Trojan can also be sent to innocent computers by hackers. That means, this Trojan can be adhered into an E-mail as an attachment, cyber crooks will forge the title of the E-mail to pretend it comes from a legit place. People who are careless can be cheated by the title and the content to open the attachment, once it is opened, this Trojan can be activated at once. This PUP.Optional.FrostwireTB.A is able to make changes to the system registry so that it can be activated from the start up, also, it can modify and delete other system values. In this case, the system can get many unwanted troubles once the infected computer is turned on. What’s worse, the infected computer can face black screen or blue screen of death frequently if this Trojan cannot be removed in time as it can corrupt system files.

The performance of the infected computer can be slowed down as this PUP.Optional.FrostwireTB.A can consume a lot of CPU usage. It may take too much time to open programs on the infected computer, and some of them cannot even work. With the help of this Trojan, many other computer viruses and Trojans can be downloaded from the background. PC users will get many annoying pop-ups when they go online, and this Trojan can add many vicious plug-ins and toolbars on the infected computer which can also be a way to download other computer threats.

Some Traits about This Trojan

-Can slow down the performance of the computer, or even blue screen.
-Can create many junk files which occupy a lot of space in hard drive
-Can download other malicious programs into computer, which make further damage.
-Your sensitive information can be stolen by hacker who can access to your computer with the help of this Trojan.
-Cay give you many redirects all the time no matter what you are doing.
-May pretend as an anti-virus program and cheat you that computer is in dangerous, and ask you to pay to remove the threats.

NOTE: If you find any of these symptoms on your computer, that proves your PC is under attack and seriously infected. If you are not a computer savvy, Please contact YooSecurity Online PC Experts to remove this PUP.Optional.FrostwireTB.A for you.

Manual Removal Guide of Trojan (For Computer Literate)

There is a removal guide of Trojan provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to this Trojan, the name of the process of it is random.

XP task manager

Step 2: Try to find Folder Options in Control Panel, select the View tab, and then tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.


Step 3: Try to find the files which relate to this Trojan, and delete them all.

Step 4: Click on Start button at the right lower corner, then click on Control Panel


Then you will come to the Control Panel windows, click on Add and Remove Programs


Then try to find the program which relates to this Trojan, highlight it and choose Remove, the program’s name is random.


Step 5: Click on Start button or press Win+R, then type regedit in the box to open Registry Editor, after that, try to find
C:\Users\profile name here\AppData\

Similar video guide to modify Windows registry:


PUP.Optional.FrostwireTB.A can be classified as a Trojan horse infection that aims on Windows computers. Trojan infection is able to damage the infected system by modifying the system registry and corrupting the important system files which can lead the infected machine get a poor performance. The longer this Trojan stays in target computer, the worse the condition will be.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of PUP.Optional.FrostwireTB.A? Contact online experts for help now!

Published by Tony Shepherd & last updated on July 29, 2014 5:58 am

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