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956a4bc.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 956a4bc.exe by Polyanskaya Irina has been detected as adware by 9 anti-malware scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from s3.amazonaws.com and multiple other hosts.
Publisher:
Polyanskaya Irina  (signed and verified)

MD5:
353ccacab99372a6434cb5e128b5ab2e

SHA-1:
76cbca745b18d9c060adfeef41674ded73107278

SHA-256:
9dd442da988575bc9c9964cd174697b448ebdeed860df442d331a47af0e1f1ee

Scanner detections:
9 / 68

Status:
Adware

Analysis date:
12/25/2024 2:14:38 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Agent.1952856
8.3.1.6

avast!
Evo-gen [Susp]
2014.9-150502

Bkav FE
W32.HfsAdware
1.3.0.6379

Emsisoft Anti-Malware
Trojan.GenericKD.2505820
8.15.06.29.05

ESET NOD32
Detection.Undefined
9.7.0.302.0

F-Secure
Trojan.GenericKD.2505820
11.2015-29-06_2

herdProtect (fuzzy)
variant of worldstar.exe (Adware)
2015.7.31.18

Kaspersky
Trojan.Win32.Dapta
14.0.0.2103

Reason Heuristics
PUP.WebPick.PolyanskayaIrina
15.5.2.9

File size:
1.9 MB (1,952,848 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\956a4bc.exe

Digital Signature
Signed by:
Polyanskaya Irina

Authority:
COMODO CA Limited

Valid from:
8/25/2014 2:00:00 AM

Valid to:
8/26/2015 1:59:59 AM

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:
4/27/2015 10:23:52 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:WkRwy9JgWcN4lFQ0BXqjHLLCNcSD0eJIvG0T4VZTraUTvGFbf69EhRnxs1i7e5/8:32y9Da4lFDB67LFE7VVZteFD+Eh9iDjO

Entry address:
0x1388A

Entry point:
E8, 06, A3, 00, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 14, A4, 43, 00, 00, 74, 05, E9, 64, A3, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01...
 
[+]

Code size:
168 KB (172,032 bytes)

The file 956a4bc.exe has been seen being distributed by the following 3 URLs.

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

https://s3.amazonaws.com/racin/.../toolbox.exe

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

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