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download.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 download.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 an Internet Explorer cache folder. The file has been seen being downloaded from groupsetzipmyjob.org.
Publisher:
Stepan Rybin  (signed and verified)

MD5:
2a54778ee25d16469d5c5e9de0b1ece8

SHA-1:
74d00065daf9176a2cb992691ed73e31f5101019

SHA-256:
12d849248d22b7fa8a06266e68d650567f2eb1f256821b0f4d7d7605bafbb318

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:
11/5/2024 7:05:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
16.7.20.18

File size:
1022.7 KB (1,047,240 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Stepan Rybin

Authority:
Unizeto Technologies S.A.

Valid from:
6/27/2014 11:37:40 AM

Valid to:
6/27/2015 11:37:40 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:
1/29/2012 3:18:16 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:fj3bEmHLjMQrgKIG1XyuD+sLrpyAWrzCXOT13V2jDW:L3bE+0/KX1XXDrpyNfCXuVZ

Entry address:
0xD80A2

Entry point:
E8, DF, 14, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 20, AE, 4E, 00, E8, E8, 19, 00, 00, E8, AC, 16, 00, 00, 0F, B7, F0, 6A, 02, E8, 72, 14, 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, E8, 02, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.3807

Code size:
883 KB (904,192 bytes)

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

http://groupsetzipmyjob.org/hp/?q=6ELnkWqoCtXmqomjlh5q8LN/CErEL7i9rV0hqbNMn8oMVvCm0z5Z8aoo71dPzh4t NzjUGBrhqC8gmgZ5 Ag tPkNCAu04Z4kSwJV22LyGY/.../mLYTURyc91AmpHrMXutk cqDx8sRKj6p1l0gLGIA5qOuulrwCaJtl&external_id=1425854858330146545

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