Questions tagged [malware]
The malware tag has no usage guidance.
21 questions
16
votes
1
answer
2k
views
Why are coin miners (such as GUIMiner) a "threat" in Windows Defender?
I opened up my GUIMiner and I got a rather unfriendly "Win32/CoinMiner" threat of "Medium."
I installed this program knowingly, so should I be concerned? Is this just a problem because people have ...
- 263
11
votes
1
answer
2k
views
Is the threat of computer malware to steal Bitcoin exaggerated?
Some months ago I put a small amount of Bitcoin into an account and wrote the address and private key into a text file. I have left on my computers and on those of a couple of friends. The money hasn’...
- 421
8
votes
3
answers
4k
views
What stops a wallet from stealing bitcoins?
I'm not particularly knowledgeable on the topic of cryptocurrencies so it's possible that I've missed something obvious, but I still wonder what it is that stops a wallet from stealing from you. ...
- 91
5
votes
1
answer
241
views
Ransomware requesting payment through Bitcoin
I read this article recently, talking about the emergence of "ransomware". An excerpt is:
The newer CryptoLocker differs by taking the ransom to a whole new level. Upon infection it doesn't ...
- 11k
2
votes
3
answers
37k
views
Trying to download miner but Google Chrome marks them as malicious/malware
First I tried GUIMiner-scrypt and then cgminer-3.9.0-windows.zip
Both archives are marked as malicious in Google Chrome. I googled and have not found articles about that. Do other people get such ...
- 171
1
vote
1
answer
1k
views
Can I recover btc sent to an incorrect address? (electrum)
So I have an electrum wallet and I sent about $150 in btc to it. That all worked but when I tried to send it to another address, it didn't go through. Looking at the transaction, the btc went to an ...
- 111
1
vote
2
answers
2k
views
Impact: unknown rules (versionbit 2) have been activated
I have an issue. My Bitcoin Core client shows "Impact: unknown rules (versionbit 2) have been activated". Bitcoin Core made a transaction by itself and sent all my bitcoins from my wallet to ...
- 11
1
vote
1
answer
2k
views
How do I get my bitcoins back if they got sent to an incorrect address?
I loaded my localbitcoin wallet with a total of $100 - I did 2 separate transactions. The first time I added $50, I tried to send half of it to cardrockcafe but it never showed up, so I tried to add ...
- 11
1
vote
1
answer
20
views
AVG antivirus quarantines Bitcoin-Qt
I verified the Bitcoin Core V28 (MacOS) download using the usual recommended methods, but my antivirus software detects "malware" with the attached message. Is this normal, and should I be ...
- 11
1
vote
1
answer
344
views
what's the link between iSCSI protocol and "stratum+tcp attacks
I found a strange file under/var/tmp directory, named ietd.conf
{
"url" : "stratum+tcp://188.165.254.85:80",
"user" : "46Z6dQ77i2qAapF4kjLXaaYKCB59eajwaZbmtyyPsxDXWyxPS5nfYoe5t4R7yTgsvT
...
- 111
1
vote
1
answer
96
views
What were any supply chain attacks against Bitcoin, if any?
Was there ever a case were Bitcoin or Bitcoin-Core itself was compromised? For example, did it ever happen that a malware hacker could insert code that compromised Bitcoin at the protocol level? For ...
0
votes
2
answers
267
views
Is multisig less secure than single sig, since only one xpub needs to be swapped by an attacker to lose funds?
Scenario: (2 of 3 multisig) one of the hardware wallets is running malware and uses an attackers xpub instead of the one derived from the recovery phrase. This swapped xpub is reported to all the ...
0
votes
2
answers
122
views
Bitcoin extortion threat for address 14poC1Jg97vuvsyoKSZYz7h276LoAZcrtn?
I have received an email saying my computer was hacked a long time ago with a threat of realeasing personal details unless I pay a ransom to a bit coin address: 14poC1Jg97vuvsyoKSZYz7h276LoAZcrtn
Is ...
- 1
0
votes
1
answer
82
views
If Bitcoin is not stolen from an address for some months does it suggest that malware did not capture the key?
Some months ago, using bitaddress.org (offline but using my normal operating system), I made a key pair, copied the key and address to paper and stored a small quantity of Bitcoin at the address. ...
- 421
0
votes
1
answer
319
views
The Mystery: I've mined some BTCs with Bitcoin Core 0.9.0, however the system no longer synchronizes and in the blockchain the balance is zero
I got some BTCs using a Bitcoin Core 9 version beta, from August to December 2019, they are listed in my history as "generated" and with several confirmations with one, the balance appears ...
- 1
0
votes
1
answer
67
views
How can I be sure that bitcoin mining software is not compromised?
I have been interested of generating Bitcoins but how can I be sure that the software that is available for this is not somehow compromised?
My concern is that the software may have some backdoor (...
- 101
0
votes
1
answer
184
views
altcoin execoin miner is infected?
looking for asic-proof alt-coins, I found one called EXE coin. however, it requires their version of the miner and it says standard miners won't work. firefox/waterfox claims the binary is infected. ...
- 121
0
votes
2
answers
140
views
I withdrawed a small amount of BTC from Coinbase Pro to Electrum and it was immediately sent to another address
Weird... I took out a small amount of BTC from Coinbase Pro, generated a new receiving address in Electrum, and as soon as the transaction came in, the BTC was transferred to an address which I do not ...
0
votes
1
answer
951
views
Bug in copying BTC address
I'm new here but I've been in the crypto world since 2016, today I'm going to tell you what just happened to me.
I had to send 25 euros to the address:
3Lch25qM9kKNEydEKKCKc2Em1naHBLN44y
After an hour ...
0
votes
1
answer
80
views
Can I create a public address for Bitcoin without the private address appearing on the screen?
Is there JavaScript which will do this?
I would generate a 256 bit password using 99 dice throws, enter it into JavaScript on an offline computer (like using bitaddress.org) and get an address to ...
- 421
0
votes
1
answer
109
views
What are the methods for getting an old, used windows P.C. ready for secure Bitcoin usage? [closed]
Let's say I am about to set my Grandmother up with a wallet. I have no idea what she has on her computer. There could be a host of malware, keyloggers etc. Let's also say that a complete wipe and ...
- 3