The botnet attacking Electrum has grown to 152,000 infected computers and has now stolen $4.6 million in cryptocurrencies such as Bitcoin, according to Malwarebytes.

Malwarebytes states that it has been “closely monitoring” the attack against the Electrum Bitcoin wallet.

The company states how the botnet came to fruition, stating:

“Victims were being tricked to download a fraudulent update that stole their cryptocurrencies,” explained Malwarebytes.

Later on, the threat actors launched a Distributed Denial of Service (DDoS) attacks in response to Electrum developers trying to protect their users.

As Bitcoinist first reported on the botnet in December last year, the amount stolen stood at USD $900,000. The phishing attempt’s first iteration came as a “security update” but would later evolve as the scam became more complex.

The security update window below is caused by the trojan which is part of the botnet.

The botnet attacking Electrum is growing

“On April 24th, the number of infected computers was below…

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