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alyac25.exe

ESTsoft Corp.

This is a setup program which is used to install the application. The file has been seen being downloaded from advert.estsoft.com and multiple other hosts.
Publisher:
ESTsoft Corp.  (signed and verified)

MD5:
88412eceeeef56ae5e2e27c7aff0bf47

SHA-1:
8a4e15bfc443901ce16d46e572167bf9db13c411

SHA-256:
5e7ff3747958c27aa7af0a124b7626587b567e510c236fb355ad60837d8160bc

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/25/2024 10:01:15 PM UTC  (today)

File size:
37.5 MB (39,297,848 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\alyac25.exe

Digital Signature
Signed by:
ESTsoft Corp.

Authority:
Symantec Corporation

Valid from:
11/25/2015 9:00:00 AM

Valid to:
1/24/2018 8:59:59 AM

Subject:
CN=ESTsoft Corp., O=ESTsoft Corp., L=Seocho-gu, S=Seoul, C=KR

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
0465A313E4BAE010B18BD518027D4A88

File PE Metadata
Compilation timestamp:
12/1/2010 2:20:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
786432:Za8YNZTAnX8yjXcEDldinkUW65sI83/IBU2lZFkV1nFs4lgDToe:c8oAnljXfDldiFW65J8vMU2lvi1K75

Entry address:
0x3317

Entry point:
55, 8B, EC, 81, EC, 84, 01, 00, 00, 53, 56, 33, DB, 57, 89, 5D, F0, C7, 45, F8, 48, 74, 40, 00, 89, 5D, FC, C6, 45, F4, 20, FF, 15, B4, 70, 40, 00, A3, A8, 31, 59, 00, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, D8, 7C, 59, 00, E8, 9A, 26, 00, 00, 8B, 35, 20, 72, 40, 00, 68, F0, 73, 40, 00, A3, E0, 7B, 59, 00, FF, D6, 68, E0, 73, 40, 00, A3, 1C, 90, 40, 00, FF, D6, 68, D0, 73, 40, 00, A3, 20, 90, 40, 00, FF, D6, 68, C0, 73, 40, 00, A3, 24, 90...
 
[+]

Entropy:
7.9983

Developed / compiled with:
Microsoft Visual C++

Code size:
23.5 KB (24,064 bytes)

The file alyac25.exe has been seen being distributed by the following 4 URLs.

http://advert.estsoft.com/?event=201110261585662

http://120.52.73.76/xdn-altools.cdn.x-cdn.com/altools/.../ALYac25.exe

http://xdn-altools.cdn.x-cdn.com/altools/.../ALYac25.exe

http://advert.estsoft.com/?event=201110272936069

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