"Data Processing Service" spam / airtrantran.com

This spam leads to malware on

Date:      Thu, 21 Mar 2013 15:55:22 +0000 [11:55:22 EDT]
From:      Data Processing Service [customerservice@dataprocessingservice.com]
Subject:      ACH file ID "973.995"  has been processed successfully

Files Processing Service

SUCCESS Notification
We have successfully complete ACH file 'ACH2013-03-20-8.txt' (id '973.995') submitted by user '[redacted]' on '2013-03-20 23:24:14.9'.
FILE SUMMARY:
Item count: 21
Total debits: $17,903.59
Total credits: $17,903.59

For addidional info    review it here

24.111.157.113 (Midcontinent Media, US)
58.26.233.175 (TMnet, Malaysia)
109.74.61.59 (Ace Telecom, Hungary)
155.239.247.247 (Centurion Telkom, South Africa)

Blocklist:
24.111.157.113
58.26.233.175
109.74.61.59
155.239.247.247
airtrantran.com
basic-printers.com
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dyntic.com
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openhouseexpert.net
picturesofdeath.net
plussestotally.biz
ricepad.net
rockbandsongs.net
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teenlocal.net
webpageparking.net