Posts Tagged: HKLMsoftwareclassesidid


Shipping Confirmations Back on the Radar

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After a prolonged absence, waves of Trojans distributed as Zipped email attachments have been showing up in our spam traps for a few weeks. The spam messages employ the same hackneyed shipping confirmation pretext as many previous iterations of this scam. This technique’s emergence as a common malware distribution method correlates with the emergence of Trojan-Downloader-Tacticlol. The messages claim to come from various express shippers, including DHL, UPS, and FedEx, as well as one that may have originated in a malware guy’s imagination: Post Express. And even though the distribution method mimics those used by Tacticlol, the payloads haven’t been […]

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Spammed Trojan Won’t Run Under Windows XP

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While it is far from the first Trojan ever to simply fail to execute under Windows XP, it definitely caught our eye that a variant of Trojan-Downloader-Tacticlol distributed last week in a spam campaign only fully executed under Windows Vista or newer operating systems. It may have been just a fluke, but repeated tests with both a virtual machine and real hardware running Windows XP at various patch levels showed that the Trojan we received attached to a spam message simply quit when executed in an XP environment, but ran smoothly and did all its planned dirty work on a […]

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