Trojan virus, Cryptoshuffler, has managed to steal 23 bitcoins, worth approximately $160,000 according to antivirus company, Kaspersky Lab.
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“Cryptocurrency is not a far-off technology anymore. Lately, we have observed an increase in malware attacks targeting different types of cryptocurrencies and we expect this trend to continue,” said Sergey Yunakovsky, malware analyst at Kaspersky Lab.
The malware attacks when a user copies a bitcoin address onto the clipboard, likely to paste it in the destination address of a wallet and send bitcoins.
Cryptoshuffler swaps the address in the clipboard with an address maintained by the malware.
Bitcoin transactions are unalterable, so the infected user has no way to recover the bitcoins once the transaction is complete.
“The malware described is a perfect example of a “rational” gain. The scheme of its operation is simple and effective: no access to pools, no network interaction, and no suspicious processor load,” said Yunakovsky
Other cryptocurrencies were targeted as well including Ethereum, ZCash, Monero, Dash and Dogecoin.
The Trojan has been running for over a year with the first incident reported in September 2016.
It is imperative not to install software from any untrusted sources.
Make sure your antivirus software is updated and a firewall is running.
Enable two factor authentication when available to add an additional layer of security.