The FBI and its European partners have removed a malicious software agent from thousands of infected computers after seizing control of a global malware network, US officials have said.
The agent – known as Qakbot – was used as part of online crimes, including ransomware attacks, for more than 15 years.
The criminal network made around $58m (£45.8m) from victims, between October 2021 and April 2023, officials said.
Victims included an Illinois-based engineering firm, financial services organisations in Alabama and Kansas, along with a Maryland defence manufacturer and a southern California food distribution company, Martin Estrada, the US attorney in Los Angeles said.
“Nearly every sector of the economy has been victimised by Qakbot,” Mr Estrada said.
Image: US Attorney Martin Estrada said Qakbot malware had infected more than 700,000 victim computers. Pic: AP
In an operation dubbed “Duck Hunt”, the FBI along with Europol and law enforcement and justice partners in France, the UK, Germany, the Netherlands, Romania and Latvia, seized more than 50 Qakbot servers and identified more than 700,000 infected computers, more than 200,000 of which were in the US.
By doing this, criminals were effectively cut off from their source.
The FBI then used the seized Qakbot infrastructure to remotely dispatch updates that deleted the malware from thousands of infected computers.
Researchers said they believed the cybercriminals to be in Russia or other former Soviet states, but Mr Estrada did not say where individuals were located.
What is Qakbot?
First appearing in 2008, Qakbot gives criminal hackers initial access to violated computers.
Usually delivered via phishing email infections, criminals could then install additional ransomware, steal sensitive information or gather intelligence on victims to facilitate financial fraud and crimes such as tech support and romance scams.
Image: FBI assistant director in charge, Don Alway. Pic: AP
Once infected, the computers become part of a botnet – a network of computers infected by malware and under the control of a single attacking party.
Qakbot impacted one in 10 corporate networks and accounted for about 30% of global attacks, a pair of cybersecurity firms found.
The operation was the biggest success for the FBI against cybercriminals, but experts warned that any setback to cybercrime would likely be temporary.
Chester Wisniewski, a cybersecurity expert at Sophos – a British-based security software and hardware company – said that while there could be a temporary drop in ransomware attacks, the criminals can be expected to either revive infrastructure elsewhere or move to other botnets.
“This will cause a lot of disruption to some gangs in the short term, but it will do nothing [to stop it] from being rebooted,” he said.
“Albeit it takes a long time to recruit 700,000 PCs.”
Donald Trump has criticised Vladimir Putin and suggested a shift in his stance towards the Russian president after a meeting with Volodymyr Zelenskyy before the Pope’s funeral.
The Ukrainian president said the one-on-one talks could prove to be “historic” after pictures showed him sitting opposite Mr Trump, around two feet apart, in the large marble hall inside St Peter’s Basilica.
The US president said he doubted his Russian counterpart’s willingness to end the war after leaving Rome after the funeral of Pope Francis at the Vatican.
In a post on his Truth Social platform, he said “there was no reason” for the Russian president “to be shooting missiles into civilian areas, cities and towns, over the last few days”.
Image: The two leaders held talks before attending the Pope’s funeral
He added: “It makes me think that maybe he doesn’t want to stop the war, he’s just tapping me along, and has to be dealt with differently, through ‘Banking’ or ‘Secondary Sanctions?’ Too many people are dying!!!”
The meeting between the US and Ukrainian leaders was their first face-to-face encounter since a very public row in the Oval Office in February.
Mr Zelenskyy said he had a good meeting with Mr Trump in which they talked about the defence of the Ukrainian people, a full and unconditional ceasefire, and a durable and lasting peace that would prevent the war restarting.
Other images released by the Ukrainian president’s office show Sir Keir Starmer and French President Emmanuel Macron were present for part of the talks, which were described as “positive” by the French presidency.
Mr Zelenskyy‘s spokesman said the meeting lasted for around 15 minutes and he and Mr Trump had agreed to hold further discussions later on Saturday.
Image: The world leaders shared a moment before the service
Image: Donald Trump and Volodymyr Zelenskyy meet in the Basilica
But the US president left Rome for Washington on Air Force One soon after the funeral without any other talks having taken place.
The Ukrainian president’s office said there was no second meeting in Rome because of the tight schedule of both leaders, although he had separate discussions with Mr Starmer and Mr Macron.
The French president said in a post on X “Ukraine is ready for an unconditional ceasefire” and that a so-called coalition of the willing, led by the UK and France, would continue working to achieve a lasting peace.
There was applause from some of the other world leaders in attendance at the Vatican when Mr Zelenskyy walked out of St Peter’s Basilica after stopping in front of the pontiff’s coffin to pay his respects.
Image: Donald Trump and the Ukrainian president met for the first time since their Oval Office row. Pic: Reuters
Sir Tony Brenton, the former British ambassador to Russia, said the event presents diplomatic opportunities, including the “biggest possible meeting” between Mr Trump and the Ukrainian leader.
He told Sky News it could mark “an important step” in starting the peace process between Russia and Ukraine.
Professor Father Francesco Giordano told Sky News the meeting is being called “Pope Francis’s miracle” by members of the clergy, adding: “There’s so many things that happened today – it was just overwhelming.”
The bilateral meeting comes after Mr Trump’s peace negotiator Steve Witkoff held talks with Mr Putin at the Kremlin.
They discussed “the possibility of resuming direct negotiations between Russia and Ukraine”, Kremlin aide Yuri Ushakov said.
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On an extraordinary day, remarkable pictures on the margins that capture what may be a turning point for the world.
In a corner of St Peter’s Basilica before the funeral of Pope Francis, the leaders of America and Ukraine sit facing each other in two solitary chairs.
They look like confessor and sinner except we cannot tell which one is which.
In another, the Ukrainian president seems to be remonstrating with the US president. This is their first encounter since their infamous bust-up in the Oval Office.
Image: The two leaders held talks before attending the Pope’s funeral
Other pictures show the moment their French and British counterparts introduced the two men. There is a palpable sense of nervousness in the way the leaders engage.
We do not know what the two presidents said in their brief meeting.
But in the mind of the Ukrainian leader will be the knowledge President Trump has this week said America will reward Russia for its unprovoked brutal invasion of his country, under any peace deal.
Mr Trump has presented Ukraine and Russia with a proposal and ultimatum so one-sided it could have been written in the Kremlin.
Kyiv must surrender the land Russia has taken by force, Crimea forever, the rest at least for now. And it must submit to an act of extortion, a proposed deal that would hand over half its mineral wealth effectively to America.
Image: The world leaders shared a moment before the service
Afterwards, Zelenskyy said it had been a good meeting that could turn out to be historic “if we reach results together”.
They had talked, he said, about the defence of Ukraine, a full and unconditional ceasefire and a durable and lasting peace that will prevent a war restarting.
The Trump peace proposal includes only unspecified security guarantees for Ukraine from countries that do not include the US. It rules out any membership of Ukraine.
Ukraine’s allies are watching closely to see if Mr Trump will apply any pressure on Vladimir Putin, let alone punish him for recent bloody attacks on Ukraine.
Or will he simply walk away if the proposal fails, blaming Ukrainian intransigence, however outrageously, before moving onto a rapprochement with Moscow.
If he does, America’s role as guarantor of international security will be seen effectively as over.
This could be the week we see the world order as we have known it since the end of the Second World War buried, as well as a pope.