Did you just run into a file that is digitally signed by Nuance Communications, Inc.? If that's the case, please read on.
You will probably notice Nuance Communications, Inc. when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screencap shows:
You can view additional details from the Nuance Communications, Inc. certificate with the following steps:
Here is a screenshot of a file digitally signed by Nuance Communications, Inc.:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Nuance Communications, Inc. and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can examine all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also view the address for Nuance Communications, Inc., such as the street name, city and country.
VeriSign Class 3 Code Signing 2004 CA, Go Daddy Secure Certification Authority and VeriSign Class 3 Code Signing 2010 CA has issued the Nuance Communications, Inc. certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the Nuance Communications, Inc. files I have gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
1/52 | SSBkgdupdate.exe |
1/57 | NPDFLM.exe |
1/40 | pdfpro7hook.exe |
1/39 | pppagevw.exe |
2/46 | A0144270.exe |
1/43 | dgnsvc.exe |
1/56 | dacore.exe |
1/46 | pdfprofiltsrv.exe |
1/54 | pdfcreate4Hook.exe |
1/56 | OmniPage19.exe |
1/42 | dgnsvc.exe |
1/53 | setup.exe |
0/47 | OpHookSE4.dll |
0/47 | pdfpro5hook.exe |
0/51 | OpwareSE4.exe |
0/47 | pdfprofiltsrvpp.exe |
0/47 | ieShim.dll |
0/47 | IndexSearch.exe |
0/46 | SSBkgdupdate.exe |
0/41 | RegistryController.exe |
0/47 | PDFProFiltSrvPP.exe |
Here's the detection names for the Nuance Communications, Inc. files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
Antiy-AVL | Trojan[:HEUR]/Win32.Unknown |
Bkav | HW32.Packed.2062 |
ByteHero | Trojan.Malware.Win32.xPack.h |
ClamAV | Win.Trojan.Katusha-370 |
Jiangmin | Trojan/PSW.Ruftar.epz |
Sunbelt | Virus.Win32.Xorer.F (vf) |
Tencent | Trojan.Win32.YY.Gen.4 |
TheHacker | Adware/Dm.ta |
TrendMicro-HouseCall | TROJ_GEN.F47V0803, TROJ_GEN.F47V0427, Suspicious_GEN.F47V1223 |
Zillya | Dropper.FrauDrop.Win32.34862 |
The detection percentage is based on that I've gathered 11120 scan results for the Nuance Communications, Inc. files. 13 of these scan results came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: