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The backdoor has been installed in every computer that wasn't
offline during the cyber attack, said Olesya Bilousova, the
chief executive of Intellect Service, which developed M.E.Doc,
Ukraine's most popular accounting software.
Last week's cyber attack spread from Ukraine and knocked out
thousands of computers, disrupting shipping and shut down a
chocolate factory in Australia as it reached dozens of countries
around the world.
Ukrainian politicians were quick to blame Russia for a
state-sponsored hack, which Moscow denied, while Ukranian cyber
police and some experts say the attack was likely a smokescreen
for the hackers to install new malware.
The Ukrainian police have seized M.E.Doc's servers and taken
them offline. On Wednesday morning they advised every computer
using M.E.Doc software to be switched off. M.E.Doc is installed
in around 1 million computers in Ukraine, Bilousova said.
"... the fact is that this backdoor needs to be closed. There
was a hacking of servers," Bilousova told reporters.
"As of today, every computer which is on the same local network
as our product is a threat. We need to pay the most attention to
those computers which weren’t affected (by the attack). The
virus is on them waiting for a signal. There are fingerprints on
computers which didn’t even use our product."
(Reporting by Jack Stubbs; writing by Matthias Williams; Editing
by Toby Chopra)
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