Virus scan

Discussion in 'Jailbreak Applications & Tweaks' started by jockmcd, Nov 8, 2011.

  1. jockmcd
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    jockmcd New Member

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    Can an iphone get a virus , is there a virus scan software that can be done on the iphone 4 ?
  2. NoelLuke
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    NoelLuke New Member

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    I don't believe they can unless jailbroken.
  3. Skull One
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    Skull One Super Moderator Staff Member

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    Viruses are NOT POSSIBLE on any modern smartphone currently in production.

    The worst you can get is a Trojan. And this requires you to download the app, install the app and then run the app.

    Now before anyone chimes in with "Android can be backdoor-ed to allow an app to download without the users consent", yes that is possible but the install system still asks for the user authoritarian to accept permissions for that app.
  4. jockmcd
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    jockmcd New Member

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    So is there software to scan for trojans ?
  5. Skull One
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    Skull One Super Moderator Staff Member

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    Not that I am aware of. Mostly because Apple pre-screens apps before they are released on the market.
  6. Jmills87
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    Jmills87 New Member Staff Member

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    Yes, iPhones can have viruses, are you going to get one? Not likely. I think in the history of the iPhone there have been maybe 3 or 4 actual harmful apps and usually, like Skull One pointed out, they don't spread. Security Expert Charlie Miller just demonstrated yesterday how non-jailbroken phones can be attacked by an app from the app store with hidden code that would allow Charlie to steal address book, messages, phone log etc, as well as sending remote commands to the infected device(vibrate, ring, etc).

    If you're jailbroken and you have OpenSSH installed, just be sure to change your SSH password and you should be fine. No, there are no virus scanning apps for the iPhone.

    Last edited by a moderator: Aug 7, 2014
  7. Skull One
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    Skull One Super Moderator Staff Member

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    By definition a virus is self replicating and requires no interaction on the part of the user of the device other than to turn the device physically on. The method of spreading has to be thru some sort of physical contact with another infected device. Be that thru an internet connection or cable connection.

    A trojan and worm on the other hand requires the user to do something to activate the payload.

    There have been NO viruses on non jailbroken iOS devices to date. Only trojans and worms, with the most recent one being deployed by Charlie Miller.
  8. jockmcd
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    jockmcd New Member

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    Thanks guys that was some intresting stuff , cheers .
  9. iGaz
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    iGaz New Member Staff Member

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    I think most users wouldn't know the difference between a virus, trojan or worm, so would just class them all the same. A year or so ago I would of done the same...
  10. jockmcd
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    jockmcd New Member

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    I just thought my phone was getting rather slow its an i phone4 and have nothing running in the background when this is happening ?
  11. Jmills87
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    Jmills87 New Member Staff Member

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    Fragmentation, just like on a computer, after a while the hard disk gets fragmented and slows things down. When that happens just do a fresh restore and you should notice a considerable increase in performance.
  12. Skull One
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    Skull One Super Moderator Staff Member

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    +1000
  13. KerryS
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    KerryS New Member

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    Great advice. I just did this and my phone feels like new!
    • Like Like x 2
  14. jockmcd
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    jockmcd New Member

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    What do you mean ? Would i have to rejailbreak again etc where and what should i do ?
  15. Jmills87
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    Jmills87 New Member Staff Member

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    Just do a fresh restore, and yes, you will have to jailbreak again

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