Many of the world's largest cybercrime gangs are still actively hacking and extorting victims, undeterred by the international spotlight after one of their peers hacked a U.S. fuel pipeline.

A Russian-affiliated hacker gang, DarkSide, disappeared last week after it hacked Colonial Pipeline, which provides fuel for much of the U.S. East Coast. That prompted the company to shut down operations for five days, leading to gas shortages in the U.S. and condemnation from President Joe Biden. Seemingly spooked, DarkSide, which had collected around $5 million in ransom from the company, claimed that it was "apolitical" on its main website, which soon was deleted.

But DarkSide is only one player in a thriving scene of cybercrime groups. More notorious gangs are still active after the Colonial attack, according to evidence of their exploits, which many such groups post to blogs that they maintain on the dark web.

Read more: NBC News