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Short bio

OSX.ElectrumStealer is Malwarebytes’ detection name for a Trojan aimed at stealing cryptocurrency from systems running MacOS.


Victims may have seen and followed this, or a similar, fake prompt about a required update.

Fake Electrum update prompt

Type and source of infection

OSX.ElectrumStealer is a trojanized Electrum Wallet that tries to steal cryptocurrencies from the infected systems. OSX.ElectrumStealer is spread sending an error message in the form of a prompt for a “required update” to the nodes connected to the threat actors server(s) on the Electrum network.


Malwarebytes for Mac detects and removes OSX.ElectrumStealer


Malwarebytes for Mac will detect and remove the components of this malware.

Download and install the latest version of Malwarebytes for Mac.

Click the “Scan Now” button to perform a system scan.

If threats are detected during the scan, a count of detected threats is displayed. More detailed threat information is displayed after the scan completes.

Click “Confirm” to move the detected threats to Quarantaine.

If a restart is required to complete remediation of threats detected during a scan, you will be notified. When a restart is required, please remember to save all work before clicking “Restart”.



electrumbuild.org electrumupgrade.org 4a5e1e4baab.com

Bitcoin addresses:

bc1q92md7868uun8vplp9te0vaecmxyc5rrphdyvxg bc1qhsrl6ywvwx44zycz2tylpexza4xvtqkv6d903q

Litecoin addresses:

LhbGVfuLPxMMFZrkDkSPC16Yu2RQ7S9Bc7 M8wRkiNmi5K5339LE8ncpWLYgbWmR121JL Le3gXVa4SshHs3TmdrWNC434ceDQtsjMt8