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unstl.exe

CNT Bilisim Teknolojisi pazrek tur lt lh Tic. Ltd. Sti

The application unstl.exe by CNT Bilisim Teknolojisi pazrek tur lt lh Tic. Sti has been detected as adware by 3 anti-malware scanners. This is a setup program which is used to install the application. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from s3-eu-west-1.amazonaws.com. While running, it connects to the Internet address 202-35.vargonen.net on port 80 using the HTTP protocol.
Publisher:
CNT Bilisim Teknolojisi pazrek tur lt lh Tic. Ltd. Sti  (signed and verified)

Version:
1, 1, 0, 0

MD5:
0197b41e0218b53ffb372acf03c57b09

SHA-1:
ba539e6979b3cff821b45d76dd0e50a07f962c67

SHA-256:
c71ac7c12fb89c1781ef1df155eb5cf1ef245427c4280567aceb36d985da3584

Scanner detections:
3 / 68

Status:
Adware

Analysis date:
12/25/2024 3:25:03 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Cntbilisim
2015.0.3429

Norman
LockScreen.AFX
11.20140628

Reason Heuristics
PUP.CNTBilisimTeknolojisipazrekturltlhTicSti.F
14.8.8.0

File size:
401.3 KB (410,944 bytes)

File type:
Executable application (Win32 EXE)

Language:
Ingilizce (Birlesik Krallik)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\unstl.exe

Digital Signature
Signed by:
CNT Bilisim Teknolojisi pazrek tur lt lh Tic. Ltd. Sti

Authority:
COMODO CA Limited

Valid from:
2/6/2014 2:00:00 AM

Valid to:
2/6/2017 1:59:59 AM

Subject:
CN=CNT Bilisim Teknolojisi pazrek tur lt lh Tic. Ltd. Sti, O=CNT Bilisim Teknolojisi pazrek tur lt lh Tic. Ltd. Sti, STREET=273/1 Sk. Mansuroglu Mah. Narlibahce Sit. No:6 B1 Blok Daire:2, L=Izmir, S=Izmir, PostalCode=35030, C=TR

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FD38E0D9B8EC881E28CC1693FCA30FC5

File PE Metadata
Compilation timestamp:
1/29/2012 11:32:28 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:fuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qL/7xOL7DZoP9XMxiNpV:W6Wq4aaE6KwyF5L0Y2D1PqL/87D49X

Entry address:
0xB2E80

Entry point:
60, BE, 00, 10, 47, 00, 8D, BE, 00, 00, F9, FF, 57, EB, 0B, 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, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
268 KB (274,432 bytes)

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

https://s3-eu-west-1.amazonaws.com/softmonk/offers/.../unstl.exe

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to 202-35.vargonen.net  (178.18.202.35:80)

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