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d53c8b.exe

Polyanskaya Irina

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 d53c8b.exe by Polyanskaya Irina has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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 www.ftbuss.info.
Publisher:
Polyanskaya Irina  (signed and verified)

MD5:
8ab4de2ba7c1e47aa446f22bd8ef6bd7

SHA-1:
d12c6cd9fc8a08e23b74f46d22506c39a0ef6061

SHA-256:
c8804e2b5642f51b63e77d4ef1b1c1d19130bfd31bb5cb0bfe9e21ed73ff82bd

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 4:32:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.Polyansk (M)
16.7.5.10

File size:
1.7 MB (1,747,024 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\d53c8b.exe

Digital Signature
Signed by:
Polyanskaya Irina

Authority:
COMODO CA Limited

Valid from:
8/24/2014 7:00:00 PM

Valid to:
8/25/2015 6:59:59 PM

Subject:
CN=Polyanskaya Irina, O=Polyanskaya Irina, STREET="Suhata Reka, Bl. 225A, Ap. 42", L=Sofia, S=Sofia, PostalCode=1517, C=BG

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

Serial number:
00A4C6F876119E08B1C5FF63372D64B83F

File PE Metadata
Compilation timestamp:
1/6/2015 3:39:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:cXrcY+mKY26SJBPUtbw/vG5s6kEzrBUJoK:2rcY+DY2HBwbGG5sZEPgoK

Entry address:
0x38C000

Entry point:
56, 50, 53, E8, 01, 00, 00, 00, CC, 58, 89, C3, 40, 2D, 00, 60, 10, 00, 2D, E0, C5, 9E, 05, 05, D7, C5, 9E, 05, 80, 3B, CC, 75, 19, C6, 03, 00, BB, 00, 10, 00, 00, 68, 00, C5, E1, 65, 68, 40, C0, 28, 17, 53, 50, E8, 0A, 00, 00, 00, 83, C0, 00, 89, 44, 24, 08, 5B, 58, C3, 55, 89, E5, 50, 53, 51, 56, 8B, 75, 08, 8B, 4D, 0C, C1, E9, 02, 8B, 45, 10, 8B, 5D, 14, 85, C9, 74, 0A, 31, 06, 01, 1E, 83, C6, 04, 49, EB, F2, 5E, 59, 5B, 58, C9, C2, 10, 00, BA, 77, 67, 81, DF, 0D, 94, 74, F9, AC, FE, 84, DF, 1F, 4B, 53...
 
[+]

Entropy:
7.9490  (probably packed)

Code size:
148 KB (151,552 bytes)

The file d53c8b.exe has been seen being distributed by the following URL.

http://www.ftbuss.info/.../585813091b.exe

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