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startdownload.exe

Closed Joint-Stock Company

The application startdownload.exe by Closed Joint-Stock Company has been detected as adware by 4 anti-malware scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from installdownloads.com and multiple other hosts.
Publisher:
Closed Joint-Stock Company   (signed and verified)

MD5:
f6913fd05f599a424a745ea4c662a3c9

SHA-1:
843aca679d8cce1bd8ed38e4b37675a55264731d

SHA-256:
c2445fe1d6cc9c2b9fa9b7846f47c8c5a1f25c6b51b4eaab291668d10ad443b2

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
4/24/2024 9:08:33 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
2014.9-150324

AVG
Win32/DH
2016.0.3160

Dr.Web
Adware.Downware.2343
9.0.1.083

Reason Heuristics
PUP.ClosedJointStockCompany.N
14.4.29.19

File size:
2.2 MB (2,271,256 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\startdownload.exe

Digital Signature
Signed by:
Closed Joint-Stock Company

Authority:
COMODO CA Limited

Valid from:
9/11/2013 2:00:00 AM

Valid to:
9/11/2016 1:59:59 AM

Subject:
CN="Closed Joint-Stock Company ""V.X. Technocom", O="Closed Joint-Stock Company ""V.X. Technocom", STREET="Staromonetnyi per. 14, bld. 2", L=Moscow, S=Moscow, PostalCode=119180, C=RU

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

Serial number:
422C9081573539C78689D8F203970268

File PE Metadata
Compilation timestamp:
4/29/2014 9:46:16 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:1G2SX+ti3c+R14RA4QorHd4jveCWG4XQa:1Fi3kuTeBVAa

Entry address:
0xA7C48

Entry point:
55, 8B, EC, 83, C4, F0, B8, 4C, 16, 4A, 00, E8, B0, 22, F6, FF, A1, FC, A0, 4A, 00, 8B, 00, E8, C0, 71, FF, FF, A1, FC, A0, 4A, 00, 8B, 00, B2, 01, E8, EE, 8E, FF, FF, A1, FC, A0, 4A, 00, 8B, 00, BA, B8, 7C, 4A, 00, E8, BD, 6B, FF, FF, 8B, 0D, E8, 9E, 4A, 00, A1, FC, A0, 4A, 00, 8B, 00, 8B, 15, CC, 0F, 4A, 00, E8, A1, 71, FF, FF, A1, FC, A0, 4A, 00, 8B, 00, E8, E5, 72, FF, FF, E8, D4, E1, F5, FF, B0, 04, 02, 00, FF, FF, FF, FF, 06, 00, 00, 00, 73, 00, 6D, 00, 61, 00, 72, 00, 74, 00, 69, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
664 KB (679,936 bytes)

The file startdownload.exe has been seen being distributed by the following 38 URLs.

http://installdownloads.com/.../dl.php?channel=7272&rk=96529023

http://installdownloads.com/.../dl.php?channel=7272&rk=28645252

http://installdownloads.com/.../dl.php?channel=7272&rk=38847477

http://installdownloads.com/.../dl.php?channel=7272&rk=55480515

http://installdownloads.com/.../dl.php?channel=7280&rk=70475660

http://installdownloads.com/.../dl.php?channel=7280&rk=46086624

http://installdownloads.com/.../dl.php?channel=7280&rk=11502989

http://installdownloads.com/.../dl.php?channel=7272&rk=1738197

http://installdownloads.com/.../dl.php?channel=7272&rk=13178021

http://installdownloads.com/.../dl.php?channel=7280&rk=61736475

http://installdownloads.com/.../dl.php?channel=7280&rk=99409329

http://installdownloads.com/.../dl.php?channel=7280&rk=56427839

http://installdownloads.com/.../dl.php?channel=7272&rk=54610772

http://installdownloads.com/.../dl.php?channel=7280&rk=63305766

http://installdownloads.com/.../dl.php?channel=7280&rk=10659747

http://installdownloads.com/.../dl.php?channel=7280&rk=83176582

http://installdownloads.com/.../dl.php?channel=7280&rk=95678770

http://installdownloads.com/.../dl.php?channel=7280&rk=18271173

http://installdownloads.com/.../dl.php?channel=7272&rk=94244742

http://installdownloads.com/.../dl.php?channel=7280&rk=54812339

http://installdownloads.com/.../dl.php?channel=7272&rk=32514072

http://installdownloads.com/.../dl.php?channel=7272&rk=13016342

http://installdownloads.com/.../dl.php?channel=7280&rk=76344429

http://installdownloads.com/.../dl.php?channel=7272&rk=71709892

http://installdownloads.com/.../dl.php?channel=7272&rk=61711010

http://installdownloads.com/.../dl.php?channel=7272&rk=95605407

http://installdownloads.com/.../dl.php?channel=7272&rk=24770715

http://installdownloads.com/.../dl.php?channel=7272&rk=63537085

http://installdownloads.com/.../dl.php?channel=7272&rk=5463345

http://installdownloads.com/.../dl.php?channel=7272&rk=63999800

Latest 30 of 38 download URLs

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