From their website:
Developed specifically for automatic removal of viruses, bots, spyware, keyloggers, trojans, scareware and rootkits without the need to manually edit system files or registry, Trojan Killer additionally fixes system modifications that were introduced by malware and which, regretfully, are often ignored by some popular antivirus scanners.
To take advantage of this 50% discount, input the coupon code HOTSUMMER when filling in the billing information on http://trojan-killer.com/order/.
If you purchase it, please let us know how you like it!
Description: 50% discount off a 2 years license of Trojan Killer.
Coupon Code: HOTSUMMER
Start Date: 7/31/14
End Date: August 10, 2014
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