Not surprised that something like this occurs. Better be careful then. Instead of hitting the deposit button hastily, better double check the address first.

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Sometimes, if the virus has integrated itself in your computer, MWB won't work anymore. You could probably clean format your PC (but do some backups first)

Yeah! The virus didn't attacked you yet. But becareful while you downlaod untrusted applications from online to your computer.
Avira, KasperSky or nothing can't help you, they are annoying virus they will be alive if you even clean them.
They are Rootkits which only can remove some specific virus remover like : Malwarebytes but they will be alive even if you delete them.

OSX, Linux, etc are more secure!!!

if their package doesn't include this virus they can't detect it, if it's an old virus it will be detected, new antivirus have heuristic to identify zero day virus, but still soem can be undetected because use stealth technology

i use malwarebyte to detect most of the threat the last version can even detect stealth malware, avira i remember lead to too many false positive when i used this and slow down the computer start-up

Yea it happens to me too, No matter what I do I could not get rid of the btc address after copying it.
It was from a btc mining software I will not post this software here I dont want others to get infected.
I think this virus is called Crypt0L0cker Virus.

Stop downloading and installing all these scam trojan altcoin wallets, when will you people learn? I imagine you'd go download and install and give administrative permissions to them without thinking first just to get a few bucks extra.
I always double-triple check my bank account address which is less than 14 digits but always check 5 first and 5 ending digits of any address that I copy, not every one using phone to scam the address with QR scanner app because that's the easiest and safest method to do bitcoin transaction.
I think the virus works somehow like sending the address you just copied and then a powerful computer generates a similar address as possible to trick you that it's the same address if you just check 2or3 first digits and if you have bandwidth monitoring program on your PC you could try and do some copy pasting to check which port is being used in that moment and then block that in your firewall.
There is no way a virus could generate an address which has 5 first and 5 ending digits/characters of your legit address.

Well there are skilled hackers that will take advantage of bitcoin community and damage them, you shouldnt download anything without know the source, or make a scan over it, this virus is a well know already in this community. I remember last year someone complain about it, i do always check my adress and the adress of the person im dealing.

should be carefull guys
you must be know wallet address

Sometimes people are reluctant to set 2FA because of its complexity, and they have more confidence in only using antivirus premium updates, if we want more account security really should be a bit complicated, if malware has attacked win32 exe, there is no other solution than reinstalling.

Being prepared with antimalware and antivirus is one step far from getting infected but double checking the address when pasting is the best thing to do.

I know that we can't remember the whole bitcoin address but we can identify the first 5-6 characters and the last ones in order to be sure that we pasted the right address.