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pdfconv.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 pdfconv.exe by Polyanskaya Irina has been detected as adware by 4 anti-malware scanners. The file has been seen being downloaded from s3.amazonaws.com.
Publisher:
Polyanskaya Irina  (signed and verified)

MD5:
4d24b8163256d5cacf4272ad5fe559b3

SHA-1:
e9b49902462c3084553932411e61364e26394afa

SHA-256:
66bb2cccae2a31b4b928463705a4f065e3b5c86cb6a846b2b8d310002ceaba22

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
12/25/2024 1:35:57 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Adware.Vonteera (variant)
9.11184

IKARUS anti.virus
PUA.Vonteera
t3scan.1.8.6.0

Reason Heuristics
PUP.WebPick
15.3.18.1

Trend Micro House Call
Suspicious_GEN.F47V0123
7.2.47

File size:
2.3 MB (2,380,368 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\7sdqpitz\pdfconv.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:
1/7/2015 8:53:19 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:EYcpZ6xx+COUjV9NilRSH2tYLIvlh/U2E4PO+VLbGWB1SGvV+LFhQM+xXnWqdY:oqxx+COUXNQRBtYLIvT/z1VfGWB1VV+7

Entry address:
0xF9057

Entry point:
E8, AC, 85, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, 70, E5, 56, 00, 75, 02, F3, C3, E9, 33, 86, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 56, 8B, F1, C6, 46, 0C, 00, 85, C0, 75, 63, E8, 30, 82, 00, 00, 89, 46, 08, 8B, 48, 6C, 89, 0E, 8B, 48, 68, 89, 4E, 04, 8B, 0E, 3B, 0D, E0, EE, 56, 00, 74, 12, 8B, 0D, 98, EC, 56, 00, 85, 48, 70, 75, 07, E8, 9D, 90, 00, 00, 89, 06, 8B, 46, 04, 3B, 05, A0, EB, 56, 00, 74, 16, 8B, 46, 08, 8B, 0D, 98, EC, 56, 00, 85, 48, 70, 75, 08, E8, FC, 88, 00, 00, 89, 46, 04, 8B, 46, 08, F6...
 
[+]

Entropy:
7.0545

Code size:
1.1 MB (1,186,304 bytes)

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

https://s3.amazonaws.com/.../pdfconv.exe

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