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nsinstall.exe

Gemius S.A.

The application nsinstall.exe by Gemius S.A has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from pl.panelcz.gemius.com.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
d2ba0230fb370613e1943eeeda8f3517

SHA-1:
89cee2d112ff1d531f9aaef6e76e6915827199f8

SHA-256:
d80079a05297c45a681c7dab1883c63b120614f1bb0ee298e08bc40f69206e49

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/27/2024 4:23:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.GemiusSA.Installer (M)
16.6.23.0

File size:
1.9 MB (1,953,480 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\nsinstall.exe

Digital Signature
Signed by:
Gemius S.A.

Authority:
Thawte, Inc.

Valid from:
3/11/2013 1:00:00 AM

Valid to:
5/11/2014 1:59:59 AM

Subject:
CN=Gemius S.A., O=Gemius S.A., L=Warszawa, S=mazowieckie, C=PL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
4214D27FBFEDDBBD183D1ED8DF3A9C0E

File PE Metadata
Compilation timestamp:
1/14/2003 9:27:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.0

CTPH (ssdeep):
49152:VgqIp1lMCwWPma8I58xgaCqbyX51jkbkCuHWDjs:VgdYneoLbyXg+Ys

Entry address:
0x1F150

Entry point:
60, BE, 00, 50, 41, 00, 8D, BE, 00, C0, FE, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
44 KB (45,056 bytes)

The file nsinstall.exe has been seen being distributed by the following URL.

http://pl.panelcz.gemius.com/usr/.../?id=2089941&mt=409e48404759a2be059ac57499d350e2&lang=cs&market=CZ

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