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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 dnlimit3.simfile.uplusbox.co.kr and multiple other hosts.
Publisher:
ESTsoft Corp.  (signed and verified)

MD5:
aa8dbba03f28b0791c8ffbe93b72dd3b

SHA-1:
2d3e850fad73012611182ddfc4b306f3d420eabc

SHA-256:
967668c542db83cb2516740245f919931f4a42cdaf08f6941f5bb90d94c1c294

Scanner detections:
1 / 68

Status:
Clean  (1 probable false positive detection)

Explanation:
This is mosty likely a false positive detection, the file is probably clean.

Analysis date:
12/26/2024 12:30:48 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
BackDoor.Infector.50
9.0.1.0114

File size:
33.8 MB (35,441,088 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\alyac25.exe

Digital Signature
Signed by:
ESTsoft Corp.

Authority:
VeriSign, Inc.

Valid from:
12/1/2011 9:00:00 AM

Valid to:
12/1/2013 8:59:59 AM

Subject:
CN=ESTsoft Corp., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ESTsoft Corp., L=Seocho-gu, S=Seoul, C=KR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
70D1A0AC1A81A201BFC43091FFBE99A0

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:HSj4xTM/mwFu9GzlZ+2i6CciVgWdPA6fsWgzeOxcb4rYPt:e4xA/mwF0ajji6CNyQUDVYP

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:
7.9997

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 3 URLs.

http://dnlimit3.simfile.uplusbox.co.kr/.../httpdown.cgi?orgfname=ALYac25.exe&filename=SS9WRVJDUnFULVdDSHVLL0s N3ZLU00sTEJXYUxPLmVIT0N4S3VEL0t5UXRLUj44

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

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

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