At the same time, the White House is keeping an eye on potential fuel supply shortages in parts of the Southeast, The Associated Press reported.
DarkSide is made up of Russian speakers and the malware was created to not attack networks that use Russian-language keyboards, the AP reported.
The price of gasoline is significantly higher than a year ago, when the nation was in lockdown because of the coronavirus pandemic.
Colonial Pipeline said Saturday it was hit by a ransomware attack and shut down operations Friday to investigate.
DarkSide, the group believed to be responsible, claims not to attack hospitals or nursing homes, educational facilities or government entities.