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worldstar.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 worldstar.exe by Polyanskaya Irina has been detected as adware by 8 anti-malware scanners.
Publisher:
Polyanskaya Irina  (signed and verified)

MD5:
1646fa8f84ffe1e7b5eb36b715477a9f

SHA-1:
488e7a49989253b9c4baffabce354cbee43d31c8

SHA-256:
3e28be6ec0652167fe3ff97215da94f88549574c2dfb1dda71eb846142625a12

Scanner detections:
8 / 68

Status:
Adware

Analysis date:
11/5/2024 4:25:58 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Agent.1952856
8.3.1.6

avast!
Evo-gen [Susp]
150602-1

Bkav FE
W32.HfsAdware
1.3.0.6379

Emsisoft Anti-Malware
Trojan.GenericKD.2505820
8.15.06.29.05

ESET NOD32
Detection.Undefined
7.0.302.0

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

Kaspersky
Trojan.Win32.Dapta
14.0.0.1814

Reason Heuristics
PUP.WebPick.PolyanskayaIrina
15.6.5.18

File size:
1.9 MB (1,952,856 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\xkk3t2xd\worldstar.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:
6/3/2015 1:29:56 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:skRsy9JrWcN4lFQ0BXqjHLLCNcSD0eJIvG0T4VZTraUTvGFbf69EhRnxs1i7e5/J:9ay94a4lFDB67LFE7VVZteFD+Eh9iDj

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...
 
[+]

Entropy:
7.7411  (probably packed)

Code size:
168 KB (172,032 bytes)

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