Using oscdimg (from Windows ADK):
oscdimg -bootdata:2#p0,e,bC:\W7_x64_Source\boot\etfsboot.com#pEF,e,bC:\W7_x86_Source\efi\microsoft\boot\efisys.bin -o -u2 -udfver102 -lWIN7_SP1_DUAL C:\W7_Combined C:\win7sp1_32_64_en_fax.iso
When you see tags like exclusive, pre-activated, super-lite, FaxCool on non-official sites, here’s what’s likely inside: win7sp13264enfaxcool iso exclusive
| Risk Factor | Consequence | |-------------|-------------| | Undocumented modifications | Removed Windows Update, broken System Restore, missing security patches | | Hidden malware | Cryptominers, keyloggers, rootkits (detected by few AVs at first) | | Backdoored fax components | Attackers can monitor or reroute faxed documents (HIPAA/GDPR violation) | | Missing language/international support | Partial English localization can cause printing or modem issues | | No driver signature enforcement | Allows installation of unsigned, often malicious, drivers | When you see tags like exclusive, pre-activated, super-lite,
Real example: In 2021–2023, several “Windows 7 Lite” ISOs distributed via torrents contained the LemonDuck cryptominer and SrvHelper backdoor. Create autounattend
Our recommendation: Never download an ISO from a non-Microsoft source. Instead, create your own genuine, slipstreamed Windows 7 SP1 USB/DVD.
Create autounattend.xml that runs ocsetup FaxServicesClient /quiet /norestart during setup’s specialize pass.