1.exe

Yordan Damyanov

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 1.exe by Yordan Damyanov has been detected as adware by 24 anti-malware scanners. This is a setup program which is used to install the application. This is a trojan Bot that uses IRC to communicate with a comand and control network. The Trojan drops other malicious software and opens a backdoor on the infected computer and will run automatically on each boot.
Publisher:
Yordan Damyanov  (signed and verified)

MD5:
81a5a211ed96c0d83163f05d8dd47979

SHA-1:
c6e3b3ce34ae84e834b43a3bf8b8d37e4846a715

SHA-256:
0a9f089d88d2a1206c1b0f4c065593917f283fbe127908c60a82a0054f1a333f

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Part of a backdoor IRC bot network.

Analysis date:
11/16/2024 2:59:44 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Zusy.113278
776

AhnLab V3 Security
Adware/Win32.Vonteera
2014.12.11

Avira AntiVirus
Adware/Vonteera.rta
7.11.194.92

avast!
Win32:PUP-gen [PUP]
2014.9-141221

AVG
Generic6
2015.0.3254

Baidu Antivirus
Adware.Win32.Vonteera
4.0.3.141221

Bitdefender
Gen:Variant.Zusy.113278
1.0.20.1775

Comodo Security
ApplicUnwnt
20335

Emsisoft Anti-Malware
Gen:Variant.Zusy.113278
8.14.12.21.11

ESET NOD32
Win32/AdWare.Vonteera (variant)
8.10861

Fortinet FortiGate
Adware/Generic
12/21/2014

F-Secure
Gen:Variant.Zusy.113278
11.2014-21-12_1

G Data
Gen:Variant.Zusy.113278
14.12.24

K7 AntiVirus
Adware
13.186.14309

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Generic
14.0.0.2763

McAfee
Artemis!81A5A211ED96
5600.6910

MicroWorld eScan
Gen:Variant.Zusy.113278
15.0.0.1065

Panda Antivirus
Trj/CI.A
14.12.21.11

Qihoo 360 Security
HEUR/QVM19.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.YordanDamyanov.B
14.12.21.11

Rising Antivirus
PE:Trojan.Win32.Generic.17C4ADAE!398765486
23.00.65.141219

Sophos
Vonteera
4.98

Trend Micro House Call
Suspicious_GEN.F47V1124
7.2.355

VIPRE Antivirus
Backdoor.Win32.Ircbot.gen
35624

File size:
1.4 MB (1,441,352 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\1.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
10/7/2013 3:00:00 AM

Valid to:
10/8/2015 2:59:59 AM

Subject:
CN=Yordan Damyanov, O=Yordan Damyanov, STREET=19 Dobri Voinikov Str, L=Sofia, S=Sofia, PostalCode=1000, C=BG

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

Serial number:
00FEEF0D77D0AC7E55D4E7707B384AC901

File PE Metadata
Compilation timestamp:
11/18/2014 10:54:09 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:9dtfsR0apMJnQ2S/Av2R2ZEnb7mdQQkUBgDF7AUVn7SUhNokfdMerLLGuGh:9BapUbSY+A+rCgNA2n2UhNHhWuY

Entry address:
0x12BB000

Entry point:
56, 50, 53, E8, 01, 00, 00, 00, CC, 58, 89, C3, 40, 2D, 00, C0, 0D, 00, 2D, E0, C5, AA, 05, 05, D7, C5, AA, 05, 80, 3B, CC, 75, 19, C6, 03, 00, BB, 00, 10, 00, 00, 68, 69, FE, 70, 1F, 68, F1, 72, 52, 24, 53, 50, E8, 0A, 00, 00, 00, 83, C0, 00, 89, 44, 24, 08, 5B, 58, C3, 55, 89, E5, 50, 53, 51, 56, 8B, 75, 08, 8B, 4D, 0C, C1, E9, 02, 8B, 45, 10, 8B, 5D, 14, 85, C9, 74, 0A, 31, 06, 01, 1E, 83, C6, 04, 49, EB, F2, 5E, 59, 5B, 58, C9, C2, 10, 00, 84, B6, 24, FC, 01, 38, 9E, 38, A1, C0, 20, CA, FB, FF, 69, 3F...
 
[+]

Entropy:
7.9595  (probably packed)

Code size:
169.5 KB (173,568 bytes)

The file 1.exe has been seen being distributed by the following 4 URLs.

http://www.dolfine.info/.../61cfeeb3b0.exe

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