With just weeks remaining until the release of the last ever
Harry Potter novel, and the imminent premiere of the fifth movie in
the franchise, Sophos has warned of a new computer worm exploiting
Potter-mania around the world.
The W32/Hairy-A worm can automatically infect a PC when users
plug-in USB drives, which carry a file posing as a copy of the
eagerly anticipated novel, Harry Potter and the Deathly Hallows.
If the users have allowed USB drives to auto-run they will see a
file called
HarryPotter-TheDeathlyHallows.doc
Inside this Word document file is the simple phrase Harry Potter
is dead. The worm then looks for other removable drives to
infect.

After infecting Windows computers, the worm creates a number of new
users - namely the main characters from JK Rowlings celebrated
series of books about student wizards: Harry Potter, Hermione
Granger and Ron Weasley.

The worm creates users on the infected PC in the name of characters
from the JK Rowling books
After logging in, users are shown the following message via a batch
file:
read and repent
]
the end is near
repent from your evil ways O Ye folks
lest you burn in hell
JK Rowling especially
In addition, everytime infected users open Internet Explorer they
will find their start page has been redirected to an Amazon.com web
page selling a spoof book entitled Harry Putter and the Chamber of
Cheesecakes.
Much of the world is waiting with bated breath for the final Harry
Potter novel, and the premiere of the new movie is looming too.
There is a real danger that muggles will blindly allow their USB
flash drives to auto-run and become infected by this worm, said
Graham Cluley, senior technology consultant for Sophos. Using such
social engineering at this time is a trick dastardly enough for
Lord Voldemort himself.
More about the worm

The worm redirects Internet Explorer to an Amazon.com webpage
offering a parody of the Harry Potter books.
The fact that this worm has been inspired by the tales of a
fictional schoolboy wizard doesnt make it a harmless prank,
continued Cluley. A worm like this which infects and tampers with
users computers without their permission is committing a criminal
act. Someone needs to get a little more sunshine in their diet and
put their energies into a more positive pursuit than writing
malicious code like this.
Unlike most malware written today, the Hairy worm does not appear
to have been written with financial reward in mind.
This is an old school virus, written to give the author a
platform to show off rather than to steal identities or cash, said
Cluley. This person isnt being driven by the desire to inflate
his or her bank account, but by a loathing for JK Rowling and her
incredibly popular books.
Sophos notes that this is not the first time that the residents of
Hogwarts School have been exploited by cybercriminals. In 2005
spammers tried to make money fast by claiming that recipients could
win an advance copy of the then latest book in the series, Harry
Potter and the Half-Blood Prince. The year before, a virus
pretended to be a downloadable version of the movie Harry Potter
and the Prisoner of Azkaban on peer-to-peer file-sharing
networks.
Sophos has been automatically protecting customers against the
W32/Hairy-A worm since 19:42 GMT on 27 June 2007.
Recently experts at SophosLabs, Sophoss global network of malware
and spam analysis centers, have reported an increasing trend for
malware authors to spread via USB devices.
Sophos experts advise that users disable the autorun facility of
Windows so removable devices such as USB keys and CD ROMs do not
automatically launch when they are attached to a PC. Any storage
device which is attached to a computer should be checked for virus
and other malware before use. Floppy disks, CD ROMs, USB keys,
external hard drives and other devices are all capable of carrying
malicious code which could infect the computers of innocent
users.
Sophos recommends companies protect themselves with a consolidated
solution which can defend against the threats of viruses, spyware,
spam and hackers.
Source: SOPHOS