Adware.Webalta.A
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 20,667 |
| Threat Level: | 20 % (Normal) |
| Infected Computers: | 511 |
| First Seen: | January 16, 2013 |
| Last Seen: | September 20, 2026 |
| OS(es) Affected: | Windows |
Adware.Webalta.A is an adware program that targets Windows computers and is designed to generate advertising revenue for its creators by exposing users to unwanted ads. While it is not considered highly dangerous, with a danger level of 2 out of 10, it can still disrupt the browsing experience, slow down a system, and compromise user privacy by monitoring online activity.
Table of Contents
What Adware.Webalta.A Does
Once active on a computer, Adware.Webalta.A can automatically display or download advertisements without the user's direct consent. These ads may show up as pop-up windows, injected content inside a web browser, unwanted toolbars, or promotions embedded within other ad-supported programs. In addition to serving ads, this adware is known to track a user's web browsing habits, including the sites they visit and how they interact with advertisements. This collected data may be transmitted to third parties, who use it to build profiles for delivering targeted advertising or for other marketing purposes.
How It Usually Gets Onto Computers
Like most adware, Adware.Webalta.A typically spreads by being bundled with free software downloads. Users often encounter it hidden inside installers for freeware programs such as games, emoticon packs, file-sharing tools, media players, or screensavers. During installation, the adware component may be pre-selected as an "optional" add-on, and if the user quickly clicks through the setup process without carefully reviewing each step, it can be installed alongside the intended program without their clear knowledge or approval.
Risks for the User
Although Adware.Webalta.A is not classified as highly destructive malware, it still poses several risks to everyday users:
- Exposure to a constant stream of intrusive pop-up and in-browser advertisements that can disrupt normal computer use.
- Collection of browsing data, including visited websites and ad interaction history, which may be shared with third-party advertisers.
- Reduced system and browser performance due to background processes running without the user's awareness.
- Potential exposure to further unwanted software or misleading ads, since some advertisements served by adware can lead to low-quality or deceptive websites.
Signs of Infection
Users dealing with Adware.Webalta.A or similar adware may notice a number of warning signs, such as:
- An increase in pop-up ads appearing during web browsing, even on websites that do not normally show them.
- New or unfamiliar toolbars appearing in the web browser without having been intentionally installed.
- Sluggish browser or system performance, especially when multiple browser windows or tabs are open.
- Unexpected changes to browser settings, such as a different default search engine or home page.
- Unfamiliar files, such as DLL components, appearing in system folders that were not knowingly added by the user.
How to Stay Protected
To reduce the risk of adware like Adware.Webalta.A infecting a computer, users should be cautious when downloading and installing free software, always choosing the "custom" or "advanced" installation option so that any bundled add-ons can be reviewed and deselected. It is also important to download programs only from official or trusted sources, keep the operating system and installed software up to date, and regularly review installed browser extensions and toolbars to remove anything unfamiliar. Running periodic system scans with reliable security software can also help detect and remove adware before it causes further disruption.
Analysis Report
General information
| Family Name: | Adware.Webalta.A |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
738eef864177c3c80deb03399cbe9f73
SHA1:
34cde7cf233f42156e2e24f9a2264d372edb9919
SHA256:
22031B8E1F9C3DE21B4C7D72F60E332E4146DF5B03EBAFC7B3273AFD151BFB59
File Size:
1.43 MB, 1431552 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
File Traits
- HighEntropy
- No Version Info
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 1,915 |
|---|---|
| Potentially Malicious Blocks: | 102 |
| Whitelisted Blocks: | 1,813 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Webalta.A
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\windows\myicon.dll | Generic Write,Read Attributes |
