Did you just stumble upon a download or a file on your computer that has a digital signature from Nir Sofer? Some of the security products refers to the detected files as Posible_Worm32 and Tool-PassView. The detection rate for the Nir Sofer files collected here is 8%. Please read on for more details.
You will typically notice Nir Sofer when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can also view the Nir Sofer certificate with the following procedure:
Here's a screenshot of a file that has been digitally signed by Nir Sofer:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Nir Sofer and that the file has not been tampered with.
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, and so on. You can also examine the address for Nir Sofer, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Nir Sofer certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Nir Sofer files I've gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
20/47 | WirelessKeyView.exe |
17/54 | produkey_setup.exe |
22/57 | ProduKey.exe |
1/57 | wnetwatcher_setup.exe |
12/55 | BulletsPassView.exe |
4/45 | WirelessKeyView64.exe |
2/55 | SearchMyFiles.exe |
1/64 | wnetwatcher_setup.exe |
2/65 | BlueScreenView.exe |
27/68 | mailpv_setup.exe |
1/51 | VideoCacheView.exe |
1/55 | BlueScreenView.exe |
1/54 | volumouse.exe |
1/57 | DownTester.exe |
21/57 | WirelessKeyView.exe |
1/57 | webcookiessniffer.exe |
1/56 | SearchMyFiles.exe |
1/56 | Setup_product_25996.exe |
27/62 | WirelessKeyView.exe |
1/64 | SearchMyFiles.exe |
12/67 | produkey_setup_v1.91.exe |
12/66 | ProduKey_x64.exe |
0/55 | shexview.exe |
Here is the detection names for the Nir Sofer files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
AVG | HackTool.AMLY, Win32:GenMaliciousA-HRF [PUP] |
AVware | Trojan.Win32.Generic!BT |
Ad-Aware | Application.Hacktool.LX, Gen:Application.Heur.fq1@b0InQscO, Gen:Application.Heur.gq2@k8!GiqdO |
AegisLab | Application.Hacktool.Gen!c, Hacktool.Amly.Gen!c |
Agnitum | Riskware.WirelessKeyView!wXCqgcVORwU, Riskware.PSWTool!, Riskware.WirelessKeyView!uNF6yMeLkWM |
AhnLab-V3 | HackTool/Win32.WirelessPass.R191500 |
AntiVir | SPR/Tool.Wirekeyview.46 |
Antiy-AVL | Trojan/Generic.ASMalwNS.27ED, Trojan/Win32.SGeneric, RiskWare[PSWTool]/Win32.NetPass.csd, RiskWare[PSWTool]/Win32.MailPassView, Trojan/Win32.Tgenic, Trojan/Win32.AGeneric |
Arcabit | Application.Hacktool.LX, Application.Heur.ED11C52, Application.Nirsoft |
Avast | Win32:PUP-gen [PUP], Win32:GenMaliciousA-HRF [PUP] |
Avira | SPR/Tool.Wirekeyview.40 |
BitDefender | Application.Hacktool.LX, Gen:Application.Heur.fq1@b0InQscO, Gen:Application.Heur.gq2@k8!GiqdO |
Bkav | W32.Clod581.Trojan.7aad, W64.HfsAdware.B58B |
CAT-QuickHeal | HackTool.Wirekeyview (Not a Virus), HackTool.BultPass.SD4, HackTool.Mailpassview, HackTool.Wirekeyview, Trojan.IGENERIC |
ClamAV | Win.Tool.Mailpassview-83, Win.Trojan.Agent-6401030-0, Win.Trojan.Agent-6509580-0 |
Comodo | UnclassifiedMalware, ApplicUnwnt, ApplicUnwnt.UnclassifiedMalware |
CrowdStrike | malicious_confidence_64% (D) |
Cylance | Unsafe |
Cyren | W32/Application.XEOK-1007, W32/Trojan.OXSE-4614, W32/PasswView.DXLT-3704, W32/Application.SVLU-4181 |
DrWeb | Tool.PassView.709, Tool.PassView.1120, Tool.PassView.959, Tool.PassView.695, Tool.PassView.1838 |
ESET-NOD32 | a variant of Win32/WirelessKeyView.A, a variant of Win32/PSWTool.ProductKey potentially unsafe, Win32/PSWTool.ProductKey potentially unsafe, a variant of Win32/PSWTool.BulletsPassView.C, a variant of Win64/WirelessKeyView.B, a variant of Win32/PSWTool.MailPassView.E potentially unsafe, a variant of Win32/WirelessKeyView.A potentially unsafe, a variant of Win64/PSWTool.ProductKey.A potentially unsafe |
Emsisoft | Gen:Application.Heur.gq2@k8!GiqdO (B) |
Endgame | malicious (high confidence) |
F-Prot | W32/Trojan2.OZTG, W32/PasswView.J |
F-Secure | Application.Hacktool.LX, Gen:Application.Heur.fq1@b0InQscO, Gen:Application.Heur.gq2@k8!GiqdO |
Fortinet | Riskware/PassView, Riskware/ProductKey_potentially_unsafe, Riskware/MailPassView, Riskware/WirelessKeyView, Riskware/ProductKey |
GData | Application.Hacktool.LX, Win32.Application.Agent.SVOV52, Win32.Trojan.Agent.39FCZG, Gen:Application.Heur.fq1@b0InQscO, Win32.Riskware.WirelessKeyView.A, Win32.Riskware.ProdkeyView.A, Win64.Application.Agent.MJ58XB |
Ikarus | HackTool.Win32.Wirekeyview |
Invincea | virus.win32.sality.at |
K7AntiVirus | Unwanted-Program ( 00454f261 ), Unwanted-Program ( 004b97f11 ), Password-Stealer ( 0049fadd1 ), Hacktool ( 000047b11 ), Unwanted-Program ( 004bbde71 ), Unwanted-Program ( 004bace31 ) |
K7GW | Unwanted-Program ( 00454f261 ), Unwanted-Program ( 004b97f11 ), Password-Stealer ( 0049fadd1 ), Hacktool ( 000047b11 ), Unwanted-Program ( 004bbde71 ), Unwanted-Program ( 004bace31 ) |
Kaspersky | not-a-virus:PSWTool.Win32.IEPassView.fm, not-a-virus:PSWTool.Win32.MailPassView.rr |
Kingsoft | Win32.Troj.Generic.a.(kcloud) |
MAX | malware (ai score=95) |
Malwarebytes | PUP.WirelessKeyView, PUP.Optional.ProductKeyFinder |
McAfee | Tool-PassView, Artemis!00A6B74406F1, Artemis!286DCC4A2162 |
McAfee-GW-Edition | Tool-PassView, PUP-XCQ-XG |
MicroWorld-eScan | Application.Hacktool.LX, Gen:Application.Heur.fq1@b0InQscO, Gen:Application.Heur.gq2@k8!GiqdO |
Microsoft | HackTool:Win32/Wirekeyview, HackTool:Win32/Mailpassview |
NANO-Antivirus | Riskware.Win32.PassView.bdlahy, Riskware.Win32.PassView.dqwjgb, Riskware.Win32.PassView.cssydc, Riskware.Win32.PassView.crrnla, Riskware.Win32.PassView.eoxabu |
Norman | KeyLogger.LOX |
Paloalto | generic.pup |
SUPERAntiSpyware | Hack.Tool/Gen-ProduKey |
Sophos | NirSoft (PUA), MailPassView (PUA), NirSoft |
Symantec | PasswordRevealer, WS.Reputation.1, Hacktool.ProduKey |
TheHacker | Posible_Worm32 |
TrendMicro | HKTL_WIREKEYVIEW, CRCK_PRODKEY, HKTL_PASSVIEW, SPYW_PASSVIEW, HKTL_PRODUKEY |
TrendMicro-HouseCall | HKTL_WIREKEYVIEW, CRCK_PRODKEY, HKTL_PASSVIEW, TROJ_GEN.F47V1118, SPYW_PASSVIEW, HKTL_PRODUKEY |
VIPRE | Nirsoft Password Recovery (not malicious), Trojan.Win32.Generic!BT |
Webroot | W32.Hacktool.Gen |
Yandex | Riskware.ProductKey!, Riskware.PSWTool! |
Zillya | Tool.Yantai.Win32.34, Tool.MailPassView.Win32.605, Trojan.Genome.Win32.238268 |
ZoneAlarm | not-a-virus:PSWTool.Win32.MailPassView.rr |
The detection percentage is based on that I've gathered 2506 scan reports for the Nir Sofer files. 188 of these scan results came up with some sort of detection. You can view the full details of the scan reports by examining the files listed above.
The analysis is based on certificates with the following serial numbers: