the computation of imphash in pe module

[syyoo84]

Describe the bug ".drv" in module names is ignored when calculating imphash (".drv" extension was not removed) Please also add the “.drv” extension.

• sha256: db6a9934570fa98a93a979e7e0e218e0c9710e5a787b18c6948f2eedd9338984
• Invalid imphash: 4b316cfc18098761f4620e44d04c4d9f
• fixed imphash: cb066a72e62a1d61c378281ae408b02d
• https://github.com/erocarrera/pefile/issues/382
• https://www.virustotal.com/gui/file/db6a9934570fa98a93a979e7e0e218e0c9710e5a787b18c6948f2eedd9338984/details

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• OS: [e.g. iOS]
• YARA version: [e.g. 4.3.0]

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[plusvic]

We are using the pefile implementation as the reference for our implementation. If the proposed change is applied to pefile, we'll do the same here. It's important to have a reference implementation that sets the standard.

[syyoo84]

thank you for your support