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av_update_win.exe

LLC Mail.Ru

The executable av_update_win.exe has been detected as malware by 1 anti-virus scanner. This is a setup program which is used to install the application. The file has been seen being downloaded from dls1.mailru.su.
Publisher:
LLC Mail.Ru  (signed and verified)

MD5:
f8f8c8bf4691a9787207c6e37a3e4ca0

SHA-1:
4b838c019c269f1126879791e21a553f587e7f11

SHA-256:
1d949224c3fed1d5709052616a90f2b79bb1612ae5920c6cdc416842fce20d32

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/27/2024 6:46:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.4.19.9

File size:
149.4 KB (152,984 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
LLC Mail.Ru

Authority:
Thawte, Inc.

Valid from:
12/9/2011 2:00:00 AM

Valid to:
2/7/2014 1:59:59 AM

Subject:
CN=LLC Mail.Ru, O=LLC Mail.Ru, L=Moscow, S=Moscow, C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
1C09DBBC732D4B58F7A88EBACF323417

File PE Metadata
Compilation timestamp:
5/5/2013 1:49:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:sYxHiUmmDg7cTItyN/BOoX5N10CD+0DonqHM8UgC:sYERaa2OozhQ8M8UgC

Entry address:
0x1140

Entry point:
55, 89, E5, 83, EC, 18, C7, 04, 24, 02, 00, 00, 00, FF, 15, F8, 41, 42, 00, E8, C8, FE, FF, FF, 90, 8D, B4, 26, 00, 00, 00, 00, 55, 89, E5, 83, EC, 18, C7, 04, 24, 01, 00, 00, 00, FF, 15, F8, 41, 42, 00, E8, A8, FE, FF, FF, 90, 8D, B4, 26, 00, 00, 00, 00, 55, 89, E5, 53, 83, EC, 14, 8B, 45, 08, 8B, 00, 8B, 00, 3D, 91, 00, 00, C0, 77, 3B, 3D, 8D, 00, 00, C0, 72, 4B, BB, 01, 00, 00, 00, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 08, 00, 00, 00, E8, 7F, 61, 00, 00, 83, F8, 01, 0F, 84, F1, 00, 00, 00, 85, C0...
 
[+]

Code size:
35 KB (35,840 bytes)

The file av_update_win.exe has been seen being distributed by the following URL.

http://dls1.mailru.su/output/72fpz972oqopi82bbu62bpw6an18qjg4vpy42bjw6evo5upy2f2brr2ls47uo6/00/31/7f/87/.../av_update_win.exe

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