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Where did the "Bladecrawler" warning come from ? NM I found the disturbing answer. Wow

Joined
Sep 17, 2017
Messages
671
#1
This is what's just started happening. After I performed a disc check and defrag mind you.
I was in a thread here writing to post something and this window pops forth with this message:
The page at *Edited out the bladecrawler address* says:
This website tries to use your browser as a blockchain currency miner. It can create considerable CPU load. Allow?


I then think to employ Duck search because it doesn't track and seemingly is secure. I enter the words, what is bladecrawler, and that same message pops there.
I ran a security scan yesterday and some trojans were quarantined.
This just started and is why I'm asking this here.

Anyone else had this happen?
 
Joined
Sep 17, 2017
Messages
671
#2
REDDIT "This website tries to use your browser as a blockchain currency minder. It can create considerable CPU load. Allow?" WTF is this? (self.AskTechnology)


sorted by:
best
rysty 3 points 8 days ago

I'm not sure where you're getting that message from, but below is a general explanation of what's happening.

So a lot of people tend to use adblocker or some variant of these days. Ads are one of the primary sources of income that many sites use to stay afloat, but a huge amount of people are not allowing ads, and therefore not allowing income to websites. The discussion about this is varied, but the bottom line is people want money, and people are blocking them from making money.

Due to the rise of cryptocurrencies (Bitcoin, ethereum, etc) and the blocking of ads, some site owners have decided that instead of getting ad revenue they can use peoples computers to "mine" these cryptocurrencies which they can then either use or sell. To mine cryptocurrencies, your computer essentially performs some intense calculations to determine some stuff and then people earn coins from it (it's somewhat complex, research it if you're interested). What this site is doing is saying "Hey, we need to make money but we're not going to shove ads down your throat. We would appreciate it if you mined some cryptocurrency for us".

Hope that explains it!
 

Knotical

Shepherd of the Knotical kid-farm
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Sep 11, 2012
Messages
5,838
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Male
Christian
Yes
#4
Antivirus may not catch this, but anti-malware software might. Though, on the surface this does not appear to be malicious in nature, meaning they are not trying to corrupt your computer, but that could be a side effect.
 
Joined
Sep 17, 2017
Messages
671
#5
Hi, what antivirus you are using and at what website you saw this message?
Hi, I'm using Comodo. And it was this site where the message first popped. Then I went to Duck search, DuckDuckGo , to be precise, and it popped again. And I do have an adblock installed. Which is why I edited the thread title to say it was concerning that according to that REDDIT article, the adblock app is likely the reason for this.
 
Joined
Sep 17, 2017
Messages
671
#6
Antivirus may not catch this, but anti-malware software might. Though, on the surface this does not appear to be malicious in nature, meaning they are not trying to corrupt your computer, but that could be a side effect.
Comodo now has a Malware program.

Do you have a recommendation for a Malware program? I used Malware bytes years ago but when the free term expired it wasn't renewable on my machine unless I paid. Apparently they recorded its ID or some such and knew when I came back to their official homepage for a new free download?
 
Last edited:
Joined
Apr 13, 2014
Messages
3,455
Christian
Yes
#7
It may be a virus, usually contracted from opening a file on email, or downloading files from the net. You need to get rid of it, because in addition to Bitcoin mining it might also contain key loggers to compromise your banking information. There several different free anti virus products. MBAM free should be usable as an on demand scanner. The free trial is only for real time protection. If not try the Emsisoft Emergency scanner. https://www.emsisoft.com/en/software/eek/download/

If anti virus software doesn't do the job, you might have to reformat and reinstall Windows to get rid of it. Don't log onto any banking account until it is gone. All the way gone.