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e638.exe

Stepan Rybin

The is the installer for the WebPick InstalleRex download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application e638.exe by Stepan Rybin has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Stepan Rybin  (signed and verified)

MD5:
e705f6fed63cba9603d72cddbdde80d8

SHA-1:
0bec20bc6ed3b8300527a3413a0375c207c64574

SHA-256:
ffe459b10a417a29ce98e75c1e8860ccc7e7724b728ae091c8ade9edaa6e2e8a

Scanner detections:
1 / 68

Status:
Adware

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:
11/23/2024 10:23:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.15.1

File size:
819.2 KB (838,856 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\e638.exe

Digital Signature
Signed by:
Stepan Rybin

Authority:
Unizeto Technologies S.A.

Valid from:
6/27/2014 10:37:40 AM

Valid to:
6/27/2015 10:37:40 AM

Subject:
E=rybin.step@yandex.ru, CN=Stepan Rybin, O=Stepan Rybin, C=UA

Issuer:
CN=Certum Code Signing CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
47154C2151E9EB8DFA42C2C9E45BFC6C

File PE Metadata
Compilation timestamp:
5/1/2012 9:50:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xB0C94

Entry point:
E8, 3D, 13, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, A0, 3E, 4C, 00, E8, 46, 18, 00, 00, E8, 0A, 15, 00, 00, 0F, B7, F0, 6A, 02, E8, CF, 12, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 7E, 02, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
727.5 KB (744,960 bytes)

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