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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.panel.gemius.hu.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
c1bb68aaea58228284cc3d67593be58f

SHA-1:
d8aa67f935a7f563b33464fb28cb9f799c18e81e

SHA-256:
377896bf662f67be4d17e3a57350dfc0ddb5f9d4c4ea20d43d81b45e146aee46

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 4:26:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.GemiusSA.Installer (M)
16.6.19.8

File size:
1.5 MB (1,549,832 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:
3/18/2011 1:00:00 AM

Valid to:
4/17/2013 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:
5F45B89031A4F7A7971DC1690565EE4E

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):
24576:z8PBEFt8rDc3VtUzCzRQTGWz6qfoSwGkM9KvYI8T4K/ozlka7VcYuJrruf2YO6nb:oOFh3Yzo6Tl7fzwzvYf/URpcfIO6y+DZ

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.panel.gemius.hu/usr/.../?id=828818&mt=09968675e6ee51ef462828728611c382

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