The bitcoins, worth around $79 million at time of publication, are currently with Finnish Customs authorities.
The SEC claims Aron Govil misappropriated over $7 million in investor funds in Cemtrex and lied to investors that his other company had a working crypto app.
The suspects, aged between 24 and 33, had opened numerous bank accounts to make crypto transactions, Hong Kong authorities said.
"We're increasingly seeing organized criminals using cryptocurrency to launder their dirty money," says the UK's Metropolitan Police.
The South-Africa based lawyers told Bloomberg their mandate to assist the brothers has been terminated.