real virus alert fwd fyi looks like real thing time cherilyn forwarded message date tue 6 jun 1995 09 43 50 0400 notes wmyer a50vm1 trg nynex com revwar unh edu subject real virus alert pkzip pkzip common way compressing computer files take less room hard disk less time transmit data communications link many people use family shareware products pkware current legitimate version pkzip 2 04g earlier versions may assumed safe trojan horse different virus bogus pkzip products files pkz300 pkz300b either zip exe suffix unlike virus programs replicate infect anything damage one pc runs trojan horsed bogus program spread unless person gives copy bogus program happens use bogus version pkzip unwary victim downloads file bbs run less operators victim runs exe form bogus program erases hard disk immediately zip form downloaded unzipped pkzip pkunzip exe programs erase hard disk executed special note notes lan admins lan attached pc run trojan horse type program would safe assume lan accessible files deleted privileges loggedon user risk note antivirus packages guard trojan horses antivirus mechanisms guard pc pc operating system fooled trojan horses fool pc user must inform technically astute pc users trojan horse bogus pkzip version tell beware download use pkzip type programs bbs situation wanes pkzip products brought pc suspect honour privilege remain yr humble svt walter h myer major brigade adjutant brigade american revolution