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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 5 anti-malware scanners. This is a setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from pro.hit.gemius.pl.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
f4321aafe0cae92f2fdeb865d137f791

SHA-1:
f8db99d9dcaa33723a548972a4e23a706cbe054d

SHA-256:
1bf9136e93dafc8db7b8b8fa790c9f0490be93c34861f34c67a8f4503ed139bd

Scanner detections:
5 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 9:16:35 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.182.158

ESET NOD32
Win32/Trackware.Gemius (variant)
8.10652

K7 AntiVirus
Unwanted-Program
13.185.13866

Reason Heuristics
PUP.GemiusSA
15.3.1.15

VIPRE Antivirus
Trojan.Win32.Generic
34410

File size:
1.8 MB (1,932,928 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:tpu8u/dVqazOU4I6+2l9xRIGWRsXOem1toR3wcGvK:tp+VjiI6DxeGWKXOem1tIgcGy

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://pro.hit.gemius.pl/hitredir?id=olhAt.9qcyrg9bdyPWdeUdTJfZu1E2_UTe0aRfbL5OP.w7&url=http://pl.panel.gemius.hu/usr/.../?id=978738&mt=7c8ac1ace66965522c9c201c21e27f42

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