postak.exe

Seznam.cz, a.s.

The application postak.exe by Seznam.cz, a.s has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘Seznam Postak’.
Publisher:
Seznam.cz, a.s.  (signed and verified)

MD5:
f42d7f1dd7420ceb609e7103faa511d9

SHA-1:
0feee92d2c9d560c79acafd4f95f755138bcf2ad

SHA-256:
34aee5b222df63af797a9f7c7ffab14ea6a6341a4816f524860e968f1c7c76f4

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 2:29:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Seznam (M)
16.10.19.12

File size:
478.1 KB (489,584 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\seznam.cz\postak.exe

Digital Signature
Signed by:

Authority:
Thawte Consulting (Pty) Ltd.

Valid from:
2/12/2010 1:00:00 AM

Valid to:
2/13/2011 12:59:59 AM

Subject:
CN="Seznam.cz, a.s.", O="Seznam.cz, a.s.", L=Prague, S=former Prague Region, C=CZ

Issuer:
CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA

Serial number:
6280EE4DDBB3CCA710DA7DB7386E98FD

File PE Metadata
Compilation timestamp:
1/19/2011 2:08:05 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:xJNFVipQoTiruFj0xrRUO3Ib49kaizlo8cU/i4ZwSKdZdxEtKNMMMrsKO08zukrg:dFIpQHfxrmOD90j7

Entry address:
0x1CFB8

Entry point:
E8, 46, B1, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, 89, EE, FF, FF, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00, FF, 00, 74, 13, A9, 00, 00, 00, FF, 74, 02, EB, CD, 8D, 41, FF, 8B, 4C...
 
[+]

Code size:
226.5 KB (231,936 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
Seznam Postak

Command:
"C:\users\{user}\appdata\local\seznam.cz\postak.exe" -s


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